governing code meaning in English

现行规范

It is better not to have rules governing code that you do not expect
最好不要使用规则管理不需要的代码。
The user is responsible for assuring that bolting material is not used beyond the limits specified in the governing code or regulations
使用者对确保螺栓材料不会用在超过管理规则或规定的限制范围负责。
The sql server clr integration security model is intended to govern code executing inside of sql server , and is intended to prevent elevation of privilege attacks against protected system resources from managed code
Sql server clr集成安全模型旨在控制在sql server内部执行的代码，并避免通过托管代码对受保护的系统资源进行特权升级攻击。