理学 系统兼容性 释 upward compatibility 向上兼容 为新版本软硬件环境所创建的程序能够在旧版本软硬件环境中运行，或者新版本程序产生的数据和文档能够被旧版本程序使用。又称向前兼容（forward compatibility）。
软件工程 释文 upward compatibility 向上兼容
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