1·They are controlled by molecular triggers that switch on and off on demand.
它们由能够根据需要开启或关闭的触发分子控制。
2·By simply placing your thumb on a sensor, you can harness enough heat to switch on a small desk-lamp.
只要手指头一碰感应器，就可以利用足够的热气，转换成电能开启小小桌灯。
3·Switch on the vacuum to draw the solution through the column (The plasmid DNA binds to the column material).
开启真空装置使液体通过管柱（质体DNA会与管柱物质结合）。
4·The next step was to pinpoint how one EGFR kinase domain would switch on another.
下一步是精确地研究一个EGF R激酶结构域是如何开启另外一个激酶的。
5·Switch on transfer gyro and wait until spinning rate stabilizes (30 minutes approximately).
开启转移回转仪，然后等至其吐丝速度安定(大约30分钟)。
1·The only caveat here is the need to interrogate the returned data to switch on the different data and tracer types.
惟一需要注意的是，您需要查询返回的数据，以接通不同的数据和跟踪程序类型。
2·Switch on the power supply, power on the compressor, and examine whether the rotation direction of the fans of the evaporator and condenser agrees on that of the arrowhead.
接通电源，点动启动压缩机，检查蒸发器及冷凝器风扇的旋转方向是否与箭头方向一致。
3·This is done as follows: switch on the power, insert the plug, and then press the START button.
按照以下步骤进行：接通电源，插上插头，然后按“开始”键。
1·Under the principle and structural characteristics, a new type of excitation circuit is designed, which has simple structure, and also could solve switch on and off oscillation problems bothly.
本文根据快速斥力机构特有的工作原理和结构特点设计了一种新型励磁电路，结构简单，而且能够同时解决合闸弹跳和分闸弹振问题。
2·Don't switch on during drilling operation.
钻井作业期间不能合闸。