短语词组短語step -wise ionization 逐步遊離Step -wise Separation 逐層分離STEP -WISE logo 逐步地stepwise regression 逐步廻歸stepwise regression analysis 逐步廻歸分析stepwise method 分段依次計算法；分段法stepwise refinement [計]逐步求精，逐步求精法 返回 step wise