As to the changes to the technical content of the specification, in truth, the protocol has really not changed all that much.

至于在技术内容方面，实际上协议并没有很大改动。

youdao

As to the changes to the technical content of the specification, in truth, the protocol has really not changed all that much.

至于在技术内容方面，实际上协议并没有很大改动。

youdao