片语
full backward compatibility并提供全向后兼容
SolidWorks backward compatibility版本回退输出
backward d compatibility反向兼容性
Retained for backward compatibility保留过去的用法只是为了相容性
Backward compatibility recommendations向后兼容性建议
Backward and Forward Compatibility向前兼容和向后兼容
true backward compatibility真正的向后兼容性
Application backward compatibility应用程序的向后兼容性
AOL Connectivity Service Backward Compatibility文件描述