active current meaning in English

【物理学】有功电流。

Select this option to enable this user account as an active current user of the site
选择此选项，以启用此用户帐户作为站点的活动（当前）用户。
And it has been shown that the faults mostly concern with the vehicle bearing . therefore , in the research of detecting and diagnosing the rolling bearing of the high - speed vehicle , there is of active current and theoretical significance
列车转向架的轴承又是一个易出问题的地方，所以针对高速列车转向架滚动轴承进行故障诊断方面有价值的研究，有着积极的理论和实际意义。