倒易律 reciprocity ; reciprocity theorem ; law of reciprocity ; reciprocity law

凯易律师事务所 Kirkland & Ellis

倒易律失效 Reciprocity failure ; Reciprocity Law Failure

对易律 commutation law

亥姆霍兹倒易律 Helmholtz reciprocity law

互易律 [摄] reciprocity law ; law of reciprocity

互易律失效 Reciprocity failure

贸易促进法律体系 legal system of trade promotion

贸易救济法律体系 legal system of trade remedy

低照度互易律失效 LIRF