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- A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set. 函数两组元素一一对应的规则，第一组中的每个元素在第二组中只有唯一的对应量
- A rule of correspondence established between sets that associates each element of a set with an element in the same or another set. 映象一种集合间一一对应关系的规则，一个集合中的每个元素与同一或另一集合中的一个元素相对应
- She has a lot of correspondence to deal with. 她有大批信件需要处理。
- I've got through a lot of correspondence today. 今天我处理了一大批信件。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- She made a rule of eating an apple a day. 她每天一定要吃一个苹果。
- The rule of thumb in this business is courtesy. 这门生意的形式法则是礼貌至上。
- I have a lot of correspondence to do. 我有很多信件要处理。
- Do you write a lot of correspondence? 你平时写许多信件吗？
- I have got through a lot of correspondence today. 今天我写了许多信。
- People rose up against the despotic rule of their potentate. 人们起来反抗君主的专制统治。
- By breaking the rule of absolute secrecy, he became a marked man. 他因违犯绝密条例，成了处罚对象。
- I'ye got through a lot of correspondence today. 今天我处理了一大批信件。
- He has a great deal of correspondence to deal with. 他有大量信件要处理。
- A teacher's most basic rule of thumb is: be patient. 教师最根本的法则是耐心。
- She has worked off her arrears of correspondence. 她已把积压的一堆信复掉了。
- She has worked off her letter of correspondence. 她已把积压的一封信件复完了。
- We are wrestling with a mass of correspondence. 我们正在努力处理一大堆信件。
- I have a lot of correspondence to do . 我有很多信件要处理。
- He has a lot of correspondence to deal with. 他有一大多的书信要处理。
