Source adjusts the number and the rate of layers in terms of feedback from receivers. Receivers calculate local bandwidth through TCP model and form feedback used in source.

源端根据接收端的反馈调节多播层次数目及各层传输速率，接收端根据TCP吞吐量模型计算本地允许带宽，进行层次的接收及形成对源端调节的反馈。

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To avoid such problems, it is often advisable to offer visual feedback in form of a progress bar that moves according to the progress of the running task.

为避免这样的问题，通常可取的办法是提供一个进度工具条形式的可视反馈，这个工具条根据运行着的任务来移动。

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Luckily, there is an entire cottage industry around programmable devices, dubbed X10 devices, which can provide a more passive form of feedback when hooked up to CI systems.

幸运的是，围绕可编程设备(称作X10的设备)有一整套的设施，当放到CI系统后这些设备能够提供一种更为被动的反馈形式。

youdao

Let me disclaim, too, we're by no means perfect so the Harvard courses APP that a lot of you used on the web to shop for courses, we recently sent out a form to get feedback from everyone because we don't doubt that it was imperfect the first time around, but we're going to iterate and make amends with that.

我不是说，我不是说要完美,你们大部分使用哈佛大学课程APP来在网上选课,我们最近给你们发了一个表单，从你们那里,得到反馈，因为我不怀疑,第一次时它是有瑕疵的,但是我们将反复地道歉。

哈佛公开课 - 计算机科学课程节选

Still, some experts caution that scrapped performance reviews must be replaced with some form of feedback mechanism.

WSJ: Performance Reviews Lose Steam

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ECONOMIST: A letter from the editor

He urged people to get in touch via the feedback form on the website if they can supply any additional material.

BBC: North East Wales