The later models in a family are typically backwards-compatible with the ones that came before.

在一个族中，稍后的产品典型地向后兼容在它以前生产的产品。

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DHCP is a more flexible, backwards-compatible extension of BOOTP, and some of the latest systems can only boot using DHCP.

DHCP是更灵活的向后兼容的BOOTP扩展，一些最新的系统可能只使用DHCP进行引导。

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One final note: The new focus model is not completely backwards-compatible with current versions, so existing applications will need to be thoroughly tested.

最后一点：新的焦点模型与当前各个版本不是完全向后兼容的，所以现有的应用程序将需要彻底的测试。

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The drive is backwards-compatible and will work with all USB 2.0 enabled computers and notebooks, as well as forthcoming USB 3.0 models.

ENGADGET: Freecom gets slim with Mobile Drive Mg portable hard drive, supports USB 3.0 and FireWire 800

The Wii U takes content confinement a step further with its support for legacy software, providing a near-perfect example of the folly of Nintendo's content ownership philosophy: the isolated sandbox of its backwards-compatible Wii Menu.

ENGADGET

The deal is rumored to include the streaming of first- and third-party PlayStation, PlayStation 2 and PlayStation 3 games through the cloud, essentially making the PS3 backwards-compatible again (something the newer model eliminated from the equation).

FORBES: Sony Computer Entertainment Acquires Cloud Gaming Company Gaikai For $380 Million