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。
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。
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。
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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