• Game crashes pretty consistently around turn 45-55 and when it happens, the savegame is also corrupted, making it impossible to reload. It has happened in 5 out of 5 games in a row. 3. Steps to ...
• 本博文讲述treat to/treat with/trust to/trust with/try on /try out/turn away(from)/turn back/turn down/turn off/turn on/turn out/turn over/turn around/turn up等动词词组
本博文源于《词博士的私教课·英语动词词组速记420》本博文属于“Day7 Week 3”，撒花/撒花，今天是最后一天！
translate from/into  翻译；转变为

If something said or written is translated from one language into another,It is said or written again in the second language.
If one thing is translated into another,the second happens or is done as result of the first.

treat to 款待

If you treat someone to something special which they will enjoy,you but it or arrange it for them.

treat with  (用某种物质)处理

If something is treated with a particular substance,the substance is put onto or into it in order to clean it,to protect it,or to give it special properties.

trust to 信赖

If you trust someone to do something,you believe that they will do it.

trust with  托付

If you trust someonee with something important or valuable,you allow them to look after it or deal with it.

try on  试穿

If you try on a piece of clothing,you put it on to see if it fits you or if it looks nice.

try out 测试(性能)

If you try something out,you test it in order to find out how useful or effective it is or what it is like.

turn away(from) 拒之门外；不再使用

If you turn someone away,you do not allow them to enter your country,home,or other place.
To turn away from something such as a method or an idea means to stop using it or to become different from it.

turn back 往回走;回头

If you turn back of if someone turns you back when you are going somewhere,you change direction and go toward where you started from.
If you cannot turn back,you cannot change your plans and decide not to do something,because the action you have already taken makes it impossible.

turn down 拒绝;调低(音量或热度)

If you turn down a person or their request or offer,you refuse their request or offer.
=When you turn down a radio,heater,or other piece of equipment,you reduce the amount of sound or heat being produced,by adjusting the controls.

turn off 关掉;对…失去兴趣

When you turn off a piece of equipment or a supply of something,you stop heat,sound,or water from being produced by adjusting the controls.
If something turns you off a particular subject or activity,it makes you have no interest in it.

turn on 打开

When you turn on a piece of equipment or a supply of something,you cause heat,sound,or water to be produced by adjusting the controls.

turn out  结果为;被发现是;关掉

If something turns out a particular way,it happens in that way or has the result or degree of success indicated.
If something turns out to be a particular thing,it is discovered to be that thing.
When you turn out something such as a light,you move the switch or knob that controls it so that it stops giving out light or heat.

turn over    翻转;翻身;仔细考虑;移交

If you turn something over,or if it turns over,it is moved so that the top part is now facing downward.
If you turn over,for example,when you are lying in bed,you move your body so that you are lying in a different position.
If you turn something over in your mind,you think carefully about it.
If you turn something over to someone,you give it to them when they ask for it,because they have a right to it.

turn around 调转方向;(生意或经济)好转

If you turn something around,or if it turns around,it is moved so that it faces the opposite direction.
If something such as a business or economy turns around,or if someone turns it around,it becomes successful,after being unsuccessful for a period of time.

turn up   (意外或终于) 出现;找到,发现;调高(音量或热度)

If you say that someone or something turns up,you mean that they arrive unexpectedly or after you have been waiting a long time.
If you turn something up or if it turns up,you find ,discover,or notice it.
When you turn up a radio,heater ,or other piece of equipment,you increase the amount of sound,heat,or power being produced,by adjusting the controls .

use up  耗尽,用光

If you use something up,you consume it completely.

wait for 等候

When you wait for something or someone,you spend some time doing very little,because you cannot act until that thing happens or that person arrives.

warm up 加热,变暖;热身,预备;(机器或引擎)预热

If you warm something up or if it warms up,it gets hotter.
If you warm up for an event such as a race,you prepare yourself for it by doing exercises or by practicing just before it starts.
When a machine or engine warms up or someone warms it up,it becomes ready for use a little while after being switched on or started.

work out 找到(解决办法);计算;进展顺利;锻炼

If you work out a solution to a problem or mystery,you manage to find the solution by thinking or talking about it.
If you work out the answer to a mathematical problem,you calculate it.
If a situation works out,it happens or progresses in a satisfactory way.
If you work out,you do physical exercises in order to make your body fit and strong.

Recalling
一般建议将中文含义捂住，然后看英文读中文，如果不放心，顺带中文看英文

动词词组
中文含义

work out
找到(解决办法);计算;进展顺利;锻炼

use up
耗尽,用光

warm up
加热,变暖;热身,预备;(机器或引擎)预热

trust with
托付

turn away(from)
拒之门外；不再使用

try out
测试(性能)

turn back
往回走;回头

turn off
关掉;对…失去兴趣

translate from/into
翻译；转变为

turn over
翻转;翻身;仔细考虑;移交

treat with
(用某种物质)处理

try on
试穿

turn on
打开

treat to
款待

wait for
等候

trust to
信赖

turn around
调转方向;(生意或经济)好转

turn out
结果为;被发现是;关掉

turn up
(意外或终于) 出现;找到,发现;调高(音量或热度)

turn down
拒绝;调低(音量或热度)

Recycling
真题练习

We invited her to dinner but she didn’t even bother to ___ .
I was positive that things were going to ___ fine.
Please ___ the lights when you go out of the room.
You should ___ the wound ___ a medicated spray.
A doctor cannot ___ a dying man in any circumstance.
Tomorrow I’ll ___ myself ___ a whole day’s gardening.
I should prefer you to __ me at the bus stop.
You ought to ___ that radio before you decide to buy it.
In winter,he blew on his hands in order to ___ them ____.
In his career,Horton strove to ___ two entire companies.
Don’t ___ the lamp,because we can see in the firelight.
He couldn’t ____ the equation,so his sister helped him out.
A sudden shift in weight caused the boat to ___.
Do you think in Enlish or ____ mentally ___ your own language?
I don’t advise you to ____ him ___ valuable things.
Remember to ___ the shoes before you buy them.
You should not touch the film winder before you ___ all the film.
Nobody can wishfully ___ the wheel of history.
Don’t forget to ___ the gas for another hour,or the dish will be overcooked.
Can you find me a servant whom I can ___ do the work While I am away from home?

练习答案

turn up
turn out
turn off
treat with
turn away
treat to
wait for
try out
warm up
turn around
turn on
work out
turn over
translate from
trust with
try on
use up
turn back
turn down
trust to

博主上一篇博文(day6 week3):


展开全文
• I made a change in src/ability.js that fixes the pointless turn around that happens when Abolished uses the Greater Pyre ability behind. https://github.com/FreezingMoon/AncientBeast/issues/1648 Let ...
• t turn around when attacking an enemy that's located behind them. <p></p> <p>Want to back this issue? <strong><a href=...
• <div><p>Let's discuss exactly what information is needed and how to geneate the turn-around waypoints between grid lines.</p><p>该提问来源于开源项目：mavlink/qgroundcontrol</p></div>
• turn around to streetname...." (in Dutch: "Keer om naar ....) not even specifying left of right. Also the wrong streetname is used. <p>It could be better to show and say "turn right and ...
• <div><p>Work around for #602 <p>A cleaner way to do it is to load database before we load the species constraints. The problem is that setting species constraints is embedded in the loadInput ...
• re on and then back on to the square in order to turn your player around, and it doesn't feel good either. I think being able to left click on the side of the square you want to face would be ...
• <p>The alternative to hanging around waiting for iterations would be to land it all as one, which is very monolothic and unreviewable. It seems we need to reduce review overhead, do faster initial ...
• <div><p>I think this comes down to there only being 3 tracks right now. It would be faster to do the WASM tests in a separate job pipeline. <code>cargo fmt</code>/<code>prettier</code> and <code>cargo...
• It only like drawing a circle and turning around it when you try to look for something valuable. Maybe we could gain a little happiness, but the price is the unlimited scenery in the end of road. ...
Most of people trend to do the same things in their work or the rest. Let’s suppose that life is a long road, when we try to take self-improvement, we just like going forward several steps. This is a healthy feeling of life. To the contrary, if we do the same work or play the same games for making money or happiness, do these things really deserve us to spend our life? I think that this is a kind of superficial happiness. It only like drawing a circle and turning around it when you try to look for something valuable. Maybe we could gain a little happiness, but the price is the unlimited scenery in the end of road. Every day we should ask ourselves, whether or not we go ahead on the base of yesterday?

References 《低效能人士的7个习惯》

展开全文
• <div><p>In order to encourage developers to add a privacy policy, it would be a good idea to turn around the meaning of the checkbox in the submission flow and require the privacy policy if the ...
• TAT（TURN-AROUND TIME;检测周转时间）是指从医生申请检验项目到收到检验报告的时间;   检验前周转时间中位数 定义：检验前周转时间是指从标本采集到实验室接收标本的时间（以分钟为单位）。检验前周转时间中位...
TAT（TURN-AROUND TIME;检测周转时间）是指从医生申请检验项目到收到检验报告的时间;

检验前周转时间中位数

定义：检验前周转时间是指从标本采集到实验室接收标本的时间（以分钟为单位）。检验前周转时间中位数，是指将检验前周转时间由长到短排序后取其中位数。

计算公式：

检验前周转时间中位数=X(n+1)/2, n 为奇数

检验前周转时间中位数=（Xn/2+Xn/2+1）/2，n为偶数

注：n为检验标本数，X为检验前周转时间。

意义：反映标本运送的及时性和效率，检验前周转时间是保证检验结果准确性和及时性的重要前提。

实验室内周转时间中位数

定义：实验室内周转时间是指从实验室收到标本到发送报告的时间（以分钟为单位）。实验室内周转时间中位数，是指将实验室内周转时间由长到短排序后取其中位数。

计算公式：

实验室内周转时间中位数=X(n+1)/2, n 为奇数

实验室内周转时间中位数=（Xn/2+Xn/2+1）/2，n为偶数

注：n为检验标本数，X为实验室内周转时间。

意义：反映实验室工作效率，是实验室可控的检验中和检验后的重要质量指标。


展开全文
• sometimes in fullscreen the camera (and thus the character) cannot turn all the way around, but only as far as the invisible cursor can go to the edge of the screen. This doesn't happen all the ...
• <div><p>Add a 'release with asserts' check build speed up testing time for LLILC</p><p>该提问来源于开源项目：dotnet/llilc</p></div>
• - When you try to carry Land_PortableLight_single_F(maybe other objects) and change height, it will turn around facing to you. I would like to see turn action(as in ace_fortify) or keep direction as ...
• <div><p>Hi, Nandor there is a bug on ...<p>so as a work around, should we turn off the prompt color(or leave it as another option...)?</p><p>该提问来源于开源项目：dominis/ansible-shell</p></div>
• <div><p>Otherwise running test show GUI error messages which needs to be closed.</p><p>该提问来源于开源项目：dlfcn-win32/dlfcn-win32</p></div>
• click to turn them around, they are displayed as if they were a full halftile long (i.e. offset is wrong) <p><strong>Reported version</strong>: <em>trunk <strong>Operating system</strong>: <em>All...
• - service: light.turn_on entity_id: light.licht </code></pre> <p>My config in zigbee looks like this: <pre><code> '0xXXX': friendly_name: Zigbee Doppelschalter retain: false </code></pre...
• <div><p>The border around the back-ticked code is somewhat distracting. Is there a way to disable it? <p><img alt="Screen Shot 2020-05-23 at 3 35 59 PM" src=...
• Automattic正在WordPress 5.7中建立一个网站Turn It Around。 项目目标 通过以下方式改进现有网站的内容结构： 创建一个新主题 合并Turn it Around最近的品牌重塑 通过添加一些付费服务来产生收入，包括： 用于...
• <div><p>Currently the burger icon behaves in a way... How can I turn off this behavior, and have it disappear when the user scrolls down?</p><p>该提问来源于开源项目：mbj36/vue-burger-menu</p></div>
• I added this workaround, but then the issue was fixed in the CUDA driver so workaround is not needed for later versions. <p>is a good reviewer as he always finds something.</p><p>该提问来源于开源项目...
• <p>possibility not to add extra spaces around the '=' symbol into the ini-file. <p>In my case extra spaces in ini-file "key = value" strings are parsed incorrectly. I hope, ...
• turn around", this does not happen until player lands on the ground and is idle/ready. <p>Thus if you can jump over and stay in the air (like with jaguar leap air recovery bug indefinitivly) the ...
• to make left turns more expensive than right turns (or the other way around). 1 (or leaving it out) means no bias. <p>this seems to work quite well. it really helps to smooth out routes a bit - you ...
• Usually occurs around turn 40-60. Background/cursor are still animated and the camera can be moved. Happened the last three games I've tried. Continues to occur if game is reloaded (i.e. no way ...
• t overcome is when I look around too fast you can see the black area outside of the screen space for a split second before it catches up to where you are looking.</p><p>该提问来源于开源项目：...
• TURN的全称为Traversal Using Relays around NAT，是STUN/RFC5389的一个拓展，主要添加了Relay功能。如图一所示，TURN协议是建立在UDP协议之上的一个应用层协议。如果一台主机处于NAT后面，那么在一定条件下（NAT...
WebRTC协议栈

图一 WebRTC stack

TURN的全称为Traversal Using Relays around NAT，是STUN/RFC5389的一个拓展，主要添加了Relay功能。如图一所示，TURN协议是建立在UDP协议之上的一个应用层协议。如果一台主机处于NAT后面，那么在一定条件下（NAT穿透失败）两台主机无法之间进行通讯。在这种条件下，那么使用中继服务提供通讯是有必要的。TURN协议允许一台主机使用中继服务与对端进行报文传输。TURN协议也是ICE（交互式连接建立）协议的组成部分，也可以单独使用。如果TURN使用于ICE协议中，relay地址会作为一个候选，由ICE在多个候选中进行评估，选取最合适的通讯地址。一般来说中继的优先级都是最低的。

图二 同一个中继地址和多个peer通信

Turn协议工作原理

Turn协议的工作原理主要有三个阶段，也称三大机制。分配（Allocation），转发（Relay）和信道（Channel）。

1.分配机制：

客户端想要使用中继功能，需要在中继服务器上申请一个中继地址。客户端发送分配请求(Allocate request)到服务器，服务器为用户开启一个relay端口然后返回分配成功响应，并包含了分配的地址。

图三 Allocation Mechanism

a) 客户端A向STUN Port发送Allocate请求(图中绿色部分)。

b) STUN服务器接收到客户端A的Allocate请求，服务器一看是Allocate请求，则根据relay端口分配策略为A分配一个端口。

d) 客户端接收到response后，就知道了自己的relay地址。该relay地址是个公网地址，可以看作是客户端A在公网上的一个代理，任何想要联系A的客户端，只要将数据发送到A的relay地址就可以了。

2.转发机制：

任何想要联系客户端A的人，只要知道客户端A的relay地址就可以了。

client和peer之间有两种方法通过中继服务器交换数据。第一种是使用relay，第二种使用channel。两种方法都通过某种方式告知服务器哪个peer应该接收数据，以及服务器告知client数据来自哪个peer。

Relay Mechanism使用了Send和Data指令(Indication)。其中Send指令用来把数据从client发送到server，而Data指令用来把数据从server发送到client。

图四 Relay Mechanism

如上图所示是B主动给A发消息：“Hello”，A回应“Hi”的过程。

a) 序号1、2、3、4、5为B的发送请求(蓝色箭头方向)；

b) 序号6、7、8、9、10为A的回应，原路返回（绿色箭头方向）。

c) 1、2阶段时，发送的是裸的UDP数据。

d) 第3阶段是：从A的relay端口收到数据，添加STUN头后，最后从STUN Port 发出的过程

g) 第8阶段是：从STUN Port 接收到带STUN 头的数据，去掉STUN头，最后从A的relay端口发出的过程。

h) 9、10是裸的UDP数据。

3.信道机制：

对于一些应用程序，比如VOIP，在Send/Data Indication中多加的36字节格式信息会加重客户端和服务端之间的带宽压力。为改善这种情况，TURN提供了第二种方法来让client和peer交互数据.该方法使用另一种数据包格式，即ChannelData message，信道数据报文。

ChannelData message不使用STUN头部，而使用一个4字节的头部，包含了一个称之为信道号的值(channel number)，每一个使用中的信道号都与一个特定的peer绑定，即作为对等端地址的一个记号。

要将一个信道与对等端绑定，客户端首先发送一个信道绑定请求(ChannelBind Request)到服务器，并且指定一个未绑定的信道号以及对等端的地址信息。

图五 Channel Mechanism

如图五所示，中继服务器将数据封装成channel message发送给peer。对比图四，其实就是讲4/5/6/7的indication换成channel message。

在音视频的传输应用中，使用信道机制会大大减少包头长度，节省带宽占用，提高传输效率。

Turnserer实践

部分政府、企业客户会部署有防火墙将办公环境与外网隔离开来，而且其防火墙通常会有很严格的ip和port限制，所以点对点传输基本无法进行。此时，Turn协议就是一个很好的选择。Turnserver具有固定的公网ip，固定的端口，只需在防火墙上开通其白名单，就可以搭建通信信道。

Agora在Web端提供了很好的解决方案：WebProxy。

图六 WebProxy

如图六所示，WebProxy包含信令和数据两个中继服务器，Turnserver主要负责音视频数据的传输。Turnserver为用户开放一个TCP和一个UDP的端口，用户通过这两个端口创建中继地址，后端服务通过中继地址和内网的用户进行数据传输。

后记

TURN协议在实时音视频中是一个比较重要的协议，能很好的保证实时音视频传输中连接的可用性，稳定性和高效性。但是TURN协议对服务器有很高的依赖，服务器在带宽和集群上有很大的压力，所以TURN协议通常是当作ICE协议中的一部分来使用。

展开全文

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