Genes involved in learning and memory are exposed and can be switched on.

在学习和记忆有关的基因有机会接触，可以先开机。

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They've identified molecular changes in the brains of aging mice that prevent learning and memory genes from being switched on as they are in younger animals.

在年老小鼠的大脑内，研究者鉴别到一种分子发生了变化，而这种变化阻碍了学习和记忆基因的开启，而年轻时这种情况是不存在的。

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Temperature increase or decreases to make the shape memory alloy bend, and then a circuit can be switched on to sound the alarm.

温度变化升高或下降使形状记忆合金弯曲可接通电路鸣响报警。

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Meanwhile, two powerful beams of light that were projected into the sky over Paris on Tuesday to honour the memory of victims, will be switched on for a second night.

CNN: Chirac: France owes U.S. a debt

It has 15 fully programmable buttons, arranged and tuned for intuitive operation, and on-board flash memory to store macros in up to six profiles that can be switched on-the-fly.

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