按住“音量降低键”，开机。

Hold down the "Volume down" button as you power the phone back on.

youdao

在手机上打开时，按住手机上同时电源和音量降低和照相机。

Turn on the phone by holding down Power and Volume down and Camera at the same time on the phone.

youdao

同时按下电源按钮和音量降低键可截取你正在观看的任何屏幕的静态图片。

Capture a still image of any screen you're looking at by simultaneously pressing the power button and the volume down button.

youdao

And so ease of implementation is actually a very compelling -- metric against which to measure-- -- do you mind toning my voice down a bit-- is a very reasonable measure against which to measure the quality of an algorithm, right.

如此简单的实现实际上是一个很牵强的,度量，与之相对的衡量是-,如果你们不介意，我降低点音量-,是一种用来度量算法质量的,合理的方法。

哈佛公开课 - 计算机科学课程节选