他十分经心在意地望着电流计。

He was very attentive to the ammeter.

本文分析了用半偏法测电流计内阻时误差产生的可能原因，并提出改进措施。

We analyze the error reasons of inferring inside block of amperemeter in the middle divisor as well as bring forward betterment measure.

为了探测记忆印痕，哈伯德采用了一种电池驱动的电流计，它有一个指针可调节，连接着两个空罐头盒。

To detect engrams, Hubbard adopted a battery-powered galvanometer with a needle dial wired to two empty tin cans.