在此基础上，提出了编码组的概念，并描述了以编码组为控制单元的传输模型。

Then the concept of the coding group was proposed, and transmission model was also described based on coding group.

youdao

在此基础上，提出了编码组的概念，并描述了以编码组为控制单元的传输模型。

Then the concept of the coding group was proposed, and transmission model was also described based on coding group.

youdao