He used a very sensitive torsion balance.

他利用了一架非常灵敏的扭力天平。

A portable torsion balance is used for weighing.

用一台轻便的弹簧秤称重。

Current weak EP test comes to 10-13 by the rotating torsion balance and Lunar laser ranging methods.

地面旋转扭秤法和地月测距方法在10 - 13精度内验证弱等效原理依然成立。

Frame plate torsion balance is a measurement instrument by modifying the general frame-pan balance scale.

架盘扭力天平是由普通架盘天平改型的衡量仪器。

A restrict limitation for expected precision of equivalence principle test of extended rotating bodies with a torsion balance was set.

这一大小对宏观旋转物体等效原理检验扭秤方案的预期精度给出了严格限制。