The first issue, related to ambient temperature, is determining where to locate the sensor.

第一个问题与外界温度有关，即决定将传感器放到哪里。

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The ambient reflection only reacts to ambient light; thus, using an omnidirectional light has no effect.

环境反射仅对环境光起作用，因此，使用全向光是无效的。

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Only 50 percent of the energy that went into cooling the air is returned when exposed to ambient air temperatures.

在环境温度中从液态转变到气态，液态空气产生的能量仅为冷却这些空气消耗能量的50%。

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see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.

我从来没有用过这个,但你会看到有人带他们,它们可以作为消噪音耳机,它们所做的就是采入,周围的随机噪声，耳机里面是，有电池的，然后它能产生和,随机噪声相干相消的声波。

麻省理工公开课 - 化学原理课程节选

As a sound-absorbing pad atop the device vibrates to ambient noise, causing the zinc oxide wires to compress and release.

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The BeoVision 7 32-inch LCD does so with its built-in DVD player, distinctive speakers and integration with the company's BeoLink network, along with a screen that automatically adjusts to ambient lighting conditions and can be swiveled via remote to an optimum viewing angle.

ENGADGET: Bang & Olufsen BeoVision 7 32-inch LCD TV