It is necessary, therefore, to construct a robust, fast and flexible palm print information system.

为此我们有必要构建功能强大的，快速灵活的掌纹信息系统。

youdao

It is necessary, therefore, to construct a robust, fast and flexible palm print information system.

为此我们有必要构建功能强大的，快速灵活的掌纹信息系统。

youdao