The construction and principle of system, and design of major software are described in detail.

对系统的结构和工作原理，以及主要软件模块的设计进行了较详细的叙述。

youdao

The construction and principle of system, and design of major software are described in detail.

对系统的结构和工作原理，以及主要软件模块的设计进行了较详细的叙述。

youdao