语音信号的端点检测技术就是从包含语音的一段信号中准确地确定语音的起始点和终止点，区分语音和非语音信号。

The endpoint detection technology of speech signal is to accurately determine starting point and ending point from a section of speech signal. Thus it can distinguish speech and non-speech signal.

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诡异的中微子通常避免与物质接触，但每隔一段时间，总要与一个原子发生碰撞，产生使人们可以观察到的信号。

Wily neutrinos usually avoid contact with matter, but every so often, they crash into an atom to produce a signal that allows us to observe them.

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同样，数字电视转换后的一段时期，播出的数字信号也未必理想。

Also, in the days following the switchover, the digital signals being broadcast are unlikely to be up to snuff.

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