... 钟摆钻具组合：pendulum assembly 钟摆原理：principle of pendulum 钟摆井底钻具组合：pendulum bottomhole assembly ...
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The structure and principle of a two-dimensional vertical pendulum tilt meter and a capacitance mini-displacement sensor are introduced.
介绍了二维垂直摆倾斜仪的结构及工作原理，电容式微位移传感器的组成及工作原理。
The principle of measuring minute impulse and the design of impact pendulum are introduced, including its physical principle, configuration, performance and working performance.
介绍了测量微小冲量的原理及冲击摆的组成，包括冲击摆的物理原理，冲击摆装置的结构、性能和工作原理；
This paper described the structure and principle of a bifilar torsion pendulum in its general (unsymmetrical) form.
本文介绍了一种一般(不对称)双线摆的结构原理。
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