开关作用 meaning in Chinese

bang bang action
switching action

Transistor is viewed as a very important amplification and switching device in micro - electric field
晶体管可以说它是微电子中非常重要的器件，它最主要的功能是电流放大和开关作用。
This equipment , under the action of photoelectric swith , through sending scraping plate , conveys the bottle caps in trolly at even speed into cap arranger keeping always a good state
该设备在光电开关作用下，通过输送刮板，把料斗内的瓶盖匀速送入理盖器内，确保理盖器内的瓶盖总能保持最佳状态。
Development system in some streptomyces spp . is characterized by an unique multiphasic growth kinetics in liquid medium . after spore germination , first logarithmic growth is followed by a transient cessation of cell growth , which potentially serves as a key developmental switch in regulatory system , leading to initiation of second logarithmic growth
某些链霉菌在液体培养基中表现独特的多相生长动力学特征：第一次对数生长之后，细胞生长过渡性地停止，这个过渡期可能起着一个重要的发育调控开关作用，启动细胞第二次对数生长。