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。
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。
The theoretical background of equivalence principle is briefly given, and the experimental tests of the equivalence principle is discussed in detail, via free-fall method and torsion balance.
本文简要阐述等效原理的研究背景，通过对自由落体法和扭秤法检验等效原理的详细介绍来具体讨论等效原理的实验检验。
The discovery well was drilled in 1927 on the basis of magnetic and torsion-balance surveys.
其发现井是1927年根据磁力和扭称测量结果而钻探的。
The discovery well was drilled in 1927 on the basis of magnetic and torsion - balance surveys.
其发现井是1927年根据磁力和扭称测量结果而钻探的。
Bearings are located between the first end of the torsion bar and the center bore of the balance shaft, to center the torsion bar within the balance shaft.
多个轴承位于该扭力杆第一端与该平衡轴中心孔之间，将该扭力杆置于该平衡轴的中心。
Its advantages are low torsion resistance and drive noise, improved dynamic balance, high compression strength and long service life.
减低传动噪音，动平衡性能改善，滑动节使用寿命提高；提高涂层抗压强度。
Its advantages are low torsion resistance and drive noise, improved dynamic balance, high compression strength and long service life.
减低传动噪音，动平衡性能改善，滑动节使用寿命提高；提高涂层抗压强度。
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