This change is not backward compatible.

这个变更不是向后兼容的。

youdao

According to our previous discussion, this change would be backward compatible.

根据我们前面的讨论，这个变更将是向后兼容的。

youdao

If existing users are unaffected then the change is backward compatible.

如果现有用户不受影响，则变更就是向后兼容的。

youdao

Both of these advances are expected to be backward compatible to the current USB and Thunderbolt products.

FORBES: Faster Cables and Your Cloud: Some Highlights from the 2013 Storage Visions and CES Conferences

Uhrman assured us that "all the games will be backward compatible" going forward.

ENGADGET

Iomega's new USB 3.0 portable hard drives are completely backward compatible with personal computers and other devices that only have USB 2.0 ports.

ENGADGET: Iomega pushes ahead with USB 3.0 transition, promises to keep drives at USB 2.0 prices