扭线机与卡式模可快速切换。
通过在沿光纤方向加入声扭波可以引起两个偏振模发生耦合。
Coupling between these polarization modes can be provided by acoustic torsional waves propagating along the fiber.
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.
方法采用小鼠扭体法、热板法，大鼠幽门结扎性胃溃疡模性，醋酸烧灼性胃溃疡模型以及体外胃蛋白酶活性实验进行观察。
Methods Writhing and hot plate tests in mice, model tests on pylorus ligatured gastric ulcer gastric ulcer by acetic acid induced in rats and external test on pepsin activity, were used in this study.
方法采用小鼠扭体法、热板法，大鼠幽门结扎性胃溃疡模性，醋酸烧灼性胃溃疡模型以及体外胃蛋白酶活性实验进行观察。
Methods Writhing and hot plate tests in mice, model tests on pylorus ligatured gastric ulcer gastric ulcer by acetic acid induced in rats and external test on pepsin activity, were used in this study.
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