这位MDC非常耐心地解答了我的问题。

The ___MDC answered my questions very patiently.

市开发公司正在建设新的公园和道路。

The ___MDC is building new parks and roads.

移动数据中心MDC可以快速部署在灾区提供紧急网络服务。

The ___MDC can be quickly deployed in disaster areas to provide emergency network services.