Without this reciprocity of observation, we would be able to identify absolute motion . 没有这种观察的倒易性,我们就能够辩认绝对运动。
This section is devoted to the proof of a reciprocal theorem between a pair of elastodynamic states . 这一节将专门来证明一对弹力动力状态之间的倒易定理。
The stellar astronomers have to accept low intensity reciprocity failure as a significant fact of life . 恒星天文学家不得不承认低强度倒易律失效是重大的事实。
The problem is to reconcile this result with the principle of reciprocity and the absence of preferred frames of reference . 问题在于要使这个结果与倒易性原理和不存在从尤参照系协调起来。
Generalized reciprocal theorems and their applications 广义倒易定理及其应用