短语词组短語screen -buffer 屏幕緩沖區Off -Screen Buffer 緩沖區;離屏緩沖區;屏幕緩存active screen buffer 作用中屏幕緩沖區;現用屏幕緩沖console screen buffer 緩沖區virtual screen buffer 虛屏緩沖區leaves screen buffer 離屏緩沖區 返回 screen buffer