此代码的兼容性非常好。

This code is very compatible.

youdao

本文将把策略直接连接到客户机和服务器，从而实现与 1.4.1 代码的兼容性。

This article instead attaches the policies directly to the client and server in order to be compatible with the 1.4.1 code.

youdao

可以对消息格式进行更改，使它们具有向后兼容性，这样就无需更新现有的代码。

Changes to message formats can be made so that they are backward compatible, that is, so that existing code does not have to be updated.

youdao