It has both open circuit and close circuit instructions.

它不仅具有开环指令，还具有闭环指令。

I always thought that a fuse is either close or open circuit.

我一直以为，一个导火线，是不是关闭或断路。

Too high an open circuit voltage reduces the frequency of short circuiting.

一太高的开的回路电压降低短路的频率。

All armatures are to be tested electrically for open circuit and short to ground.

所有的通用电枢都是标准尺寸，而且是在无心磨床上完成。

Allow the battery to stabilize for two minutes, and then verify open circuit voltage.

让电瓶稳定两分钟，然后，查证开路电压。