分析了电子计数器时间间隔法测定电秒表的原理、误差及不稳定性，并且介绍了一种简便的门控法。
This paper analyses principle, error, and unstable state of determining the electric stop watch by means of time-interval method of electric counter. A simple gate-control method is presented at last.
但是，由于前驱物的聚电解质性质，电纺射流会经历更强烈的不稳定性。
However, the electrospinning precursor jets undergo intense instability due to its polyelectrolyte nature.
但是，由于前驱物的聚电解质性质，电纺射流会经历更强烈的不稳定性。
However, the electrospinning precursor jets undergo intense instability due to its polyelectrolyte nature.
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