本发明可以提高数据管理时的数据传输效率，减轻网络负载。

The invention can improve the data transmission efficiency during data management and lighten network loads.

youdao

本发明可以提高数据管理时的数据传输效率，减轻网络负载。

The invention can improve the data transmission efficiency during data management and lighten network loads.

youdao