A third cue your body USES to set its internal clock is temperature.

你的身体发送给生物钟的第三个信号是温度。

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Remember, manipulating light and temperature manipulates your body's clock and gives it a clear mandate to sleep.

记住，通过调节亮度和温度来调节你的生物钟，给它一个明确的睡觉指令。

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By the way, if you're curious about why racemization is so much less accurate a clock than C-14 for dating a tooth's age, part of the explanation has to do with temperature.

顺便说一下，如果你好奇为什么在判断牙齿年龄方面、外消旋化会比碳14定义的时钟精度差之甚多，那么部分原因与温度相关。

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Mister Harrison had to develop a clock that was not affected by the movement of a ship on the ocean or changes in temperature or atmospheric pressure.

VOA: special.2010.07.14

One of the strange things we learned during our hands-on was that SLI is complicated by NVIDIA's GPU Boost technology, which causes individual cards in the same chassis to run at different clock speeds depending on their load and temperature.

ENGADGET: NVIDIA's GTX 680 tested in SLI and multi-display modes, loses some of its lead

The little creature's also got four additional touch sensors, a temperature sensor, a gravity sensor and an internal clock to tell the time of day, improved motors, and basic voice recognition -- and the Hong Kong packaging suggests the dinos will even come in two different sexes.

ENGADGET: Pleo Reborn detailed by Innvo CEO, one lucky fan finds and buys the tiny dino (video)