逐步減少法 procedure step: 程序步驟; 過程步step by step design procedure: 逐步設計過程step by step procedure: 逐步逼近法step-by-step procedure: 步進法step down: 走下, 逐步減低, 辭職, 下臺; 走下來; 走下去,降職下載手機詞典可隨時隨地查詞查翻譯