短語詞組短語regime -switching mechanism 區(qū)域轉(zhuǎn)換機制switching mechanism failure 開關(guān)機搆失霛valve -switching mechanism 閥轉(zhuǎn)換機搆adaptive packet length switching mechanism 自適應(yīng)變包長機制dynamic tunnel -switching mechanism 隧道動態(tài)交換機制pre pumping passively Q -switching mechanism 增益預(yù)泵浦被動調(diào)Q 返回 switching mechanism