conventions and treaties

• 惯例和条约

conventions and treaties的用法和样例：

例句

1. China stresses and supports the conclusion of arms control and disarmament agreements and treaties through negotiation.
   中国重视并支持通过谈判缔结军控与裁军协议和条约。
2. State and local laws that contradict federal laws or treaties are thus preempted and can be declared unconstitutional by a federal court.
   已经存在的与联邦法律和条约冲突的州或当地的法律可以被联邦法庭宣称违反宪法的。