然后讲述了通信协议的设计，数据传输可靠性和安全性。

Then, it elaborated the correspondent protocol design, the data transmission reliability and the security.

youdao

然后讲述了通信协议的设计，数据传输可靠性和安全性。

Then, it elaborated the correspondent protocol design, the data transmission reliability and the security.

youdao