backward-compatible

基本解释

And whether the change is backward-compatible.
并且，还能知道变更是否是向后兼容（backward-compatible）的。
The GTK+ team pays great attention to keeping GTK+ backward-compatible, but it is simply impossible to catch all bugs.
尽管 GTK+ 小组非常注意保持 GTK+ 的向后兼容性，但是要捕获所有的 bug 是不太可能的。
However, while L.T.E. phones will be backward-compatible so they can run on Verizon’s older 3G network, those 3G phones won’t run on the new, faster L.T.E. network.
然而，尽管L.T.E手机可以反向兼容，在威瑞森的3G网络运行，但这些3G手机不能在更快的新一代L.T.E网络上运行。

While both Opteron and Itanium ran newer 64-bit software, AMD's chip was also backward-compatible, enabling it to run software written for older 32-bit processors.
FORBES
The Aircell Smartphone will be backward-compatible with all Aircell Axxess communications systems currently in production, and available as a drop-in replacement for the company's prolific Aircell Axxess flush-mount handset.
ENGADGET: Aircell announces world's first 'airborne smartphone'
Options for the new machines will include Apple's new wireless-networking technology, Airport Extreme, which supports speeds of 54 megabits per second and is also backward-compatible with standard Wi-Fi gear.
FORBES: Magazine Article