The project crate is not intended to contain information already maintained in the configuration management (CM) and control system.

项目栅格中不包含已经在配置管理(配置管理，CM)中维护的信息，并控制系统。

youdao

They can also be combined with sensors so that a tagged crate of refrigerated goods could alert a system if perishable items inside became too warm, for example.

BBC: NEWS | Technology | 'Magic ink' that makes metal grow