对普通单层股钢丝绳和多股钢丝绳工作时内部受力进行分析，推导出多股钢丝绳加载时扭转力矩的计算公式。
The calculation formula of torsion moment of multi-strands wire rope as loaded are deducted by internal force analysis of single-strand wire rope and multi-strands wire rope while working.
这样，才有可能分别导出两类弹簧支承(竖向的和扭转的)的刚度计算公式。
Thus, the calculative formula of rigidity for two spring bearings (vertical and torsional) may be obtained separately.
提出一种新型多模光纤扭转传感器的基本原理和传感结构，推导了扭角传感的理论公式，该传感器的扭角与多模光纤的功率损耗呈线性关系。
The theoretical formulas of torsional Angle sensing are derived and the torsional Angle of this sensor is linear to the power loss of the multi-mode fiber.
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