The engineers are also trying to develop an on-and-off "switch" where the glow would fade when exposed to daylight.

工程师们还试图研制一种间断式“开关”，当暴露在日光下时，光照会逐渐消失。

youdao

Contiguous to each gene is DNA that doesn't code for protein; instead, it functions as the gene's on-off switch.

每个相邻基因之间是不能编码蛋白质的dna；相反，它起着基因启动-关闭开关的功能。

youdao

Scientists have developed an on-off switch in memory.

科学家已研制出一种记忆开关。

youdao

So now it's not just that the on-off switch is stuck in off, the brain's no longer capable of engaging in these higher order P-functions.

所以现在看来就不是开关被卡住，大脑已经不再有能力,实行这些高级的人格功能。

耶鲁公开课 - 死亡课程节选

Of course, to turn the on-off switch on is harder when somebody's in a coma.

当然要开启这个开关难度更大,当人陷入昏迷。

耶鲁公开课 - 死亡课程节选

One way that you could switch this on and off inside the cell is by taking off this phosphorous, proteins enzymes that do this opposite reaction, the opposite to kinases are called phosphokinases.

一种方法是通过去除磷酸基团,来改变细胞内蛋白的状态,催化添加磷酸基团,此逆反应的蛋白酶,能够催化逆反应的激酶叫做磷酸激酶

耶鲁公开课 - 生物医学工程探索课程节选

With a mechanical keyboard, on the other hand, each key press triggers an actual on-off switch a feeling as solid as flicking on the lights.

WSJ: Keys That Really Click

The earpiece has an on-off switch, a three-stage volume control and uses a rechargeable battery.

WSJ: Testing, Testing...Can You Hear Better Now?

They seem only to care about where the on-off switch is located.

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