减少了服务器往返访问的次数，提供了设备独立性并减少了脚本的使用。

And reduces the number of server round-trips as it offers device independence and reduced scripting.

youdao

减少了服务器往返访问的次数，提供了设备独立性并减少了脚本的使用。

And reduces the number of server round-trips as it offers device independence and reduced scripting.

youdao