reciprocity theorem

• 倒易律,倒易定理

reciprocity theorem的用法和样例：

例句

1. There are a number of alternative formulations of the reciprocity theorem.
   还有许多别的互易定理的公式。
2. There are a number of alternative formulations of the reciprocity theorem.
   还有许多别的互易定理的公式。