A microphone samples incoming noise, then sends the speaker grid instructions on what sort of " antinoise" to emit.

麦克风对传入噪音进行采，发送扬声器网格“抗噪”令。

The antinoise device is almost as good and allows air to keep flowing into and out of the window.

抗噪音设备的效果几乎与关窗一好，而且还能让空气从窗户进出。

A microphone samples incoming noise, and then sends the speaker grid instructions on what sort of " antinoise" to emit.

麦克风对传入噪音进行采，发送扬声器网格“抗噪”令。

A microphone samples incoming noise, then sends the speaker grid instructions on what sort of " antinoise"  to emit.

麦克风对传入的噪音进行采，然向扬声器网格发送关于要发出哪种“反噪音” 的令。

The antinoise device is almost as good and allows air to keep flowing into and out of the window.

抗噪音装置几乎一好，可以让空气不断流入和流出窗户。