There's probably more than one way to accomplish this, but you'll do it by mounting a sonar sensor on the robot's left side.

有多种实现这一目标的方法，但是我们采用的方法是在机器人的左边安装一个声纳传感器。

youdao

The side impact sensor is assembled in the centre pillar and quarter panel lower to monitor collision upon side impact.

侧碰撞传感器安装在中央立柱和侧碰撞传感器下面的后顶盖侧板上。

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If it is a point-to-point application, where for instance a sensor is sending data to a logging application, TCP would guarantee that all data is received at the logging side.

如果它是一个点对点应用程序，例如传感器是将数据发送到日志应用程序中，TCP会保证所有的数据都是收到日志。

youdao

It has an infra-red sensor that looks for hand movements up to about 4 inches away from the phone, and it uses the front-side camera to figure out if it's front of the user's face.

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