Neuroscience experiments usually have controllable inputs - show someone a picture at a precise moment , and then look for reactions in the brain .
神经学实验通常采用可控输入在精确时刻向某人展示某图片,然后观察大脑的反应。
You don 't say ' transistor ' when you can use ' controllable electronic valve ' - that sort of thing .
比如说,如果能用‘可控电子管’这种说法,就不要用‘晶体管’。
For a time it appeared that mr. prokhorov 's entrance into the political arena was an attempt by the kremlin to have a controllable " liberal " candidate but the control proved to be short-lived .