critical current的用法和样例：
例句
- We study experimentally and numerically the measurement of criticul current for high temperature superconductors.
摘要本文报道高温超导体临界电流测量若干问题的研究。 - The lithium salt-containing carbon anode is with better wettability and higher critical current density than the ordinary carbon anode.
含有锂盐的碳阳极的可湿性和发生阳极效应的临界电流密度值明显提高，可以防范阳极效应的发生，文中讨论了锂盐的作用机理。
