reciprocal deflection relationship 互逆等变位关系

theory of reciprocal deflection 逆挠理论

theorem of reciprocal deflection 逆挠定理

Reciprocal deflection theorem 交互挠度定理

reciprocal deflection relatio hip 互逆等变位关系

Theorem reciprocal deflection 交互挠度定理

maxwell law reciprocal deflection 麦克斯威尔变位互等定律

maxwell's law reciprocal deflection 麦克斯韦变位互等定律

Maxwell rs law reciprocal deflection 麦克斯韦变位互等定律