尽管如此，已经有一些开源社交网络服务已经或即将基于这些协议而建立。

Nonetheless, a number of open-source social networking services have been created, or in the process of being created, with these protocols.

youdao

尽管如此，已经有一些开源社交网络服务已经或即将基于这些协议而建立。

Nonetheless, a number of open-source social networking services have been created, or in the process of being created, with these protocols.

youdao