in Britain, the middle or tactical level of a three-level system for organizing the way a police, military, or other operation is controlled, especially in an emergency situation

The silver command may take charge of bronze's resources to implement the strategy of the gold command. 应急机制的“银”级可以利用“铜”级的资源来执行“金”级指挥层的战略。

The police declare a major incident, and Silver Command officers are dispatched to run things on the ground. 警方宣布发生重大事件，应急机制“银”级的官员被派往现场组织和处理。