短語詞組短語Portable Operating System Interface 可移植操作系統(tǒng)接口;便攜式操作系統(tǒng)接口;可移植性操作系統(tǒng)接口POSIX Portable Operating System Interface 可移植操作系統(tǒng)接口portable real -time operating system 可移植的實時操作系統(tǒng) 返回 portable operating system