采用结构化的功能模块设计系统功能，可读性好，易于扩充。

Adopt a design of the function mold system function that structure turn, readability good, be easy to the enlargement.

youdao

采用结构化的功能模块设计系统功能，可读性好，易于扩充。

Adopt a design of the function mold system function that structure turn, readability good, be easy to the enlargement.

youdao