backward-compatible E逆向相容
backward d compatible向后兼容;回溯相容
Creating Backward-Compatible UIs创建向后兼容的用户界面
backward-compatible library classes反向兼容类库
Non-Backward Compatible后向不兼容编码;便前向不兼容编码;即后向兼容编码
Remaining Backward Compatible保持向后兼容
backward compatible with向后兼容;向后相容
backward compatible code向下兼容代码
BC Backward Compatible向前兼容〖MPEG