(表述事物之間相互關(guān)系, 并已得到公認的規(guī)定或法則) rule 短語和例子右手定則 right-hand rule; 左手定則 left-hand rule定則,法則: rule手定則: hand rule波得定則 伯德定則: bode'slaw愛墨瑞定則: emery's rule安培定則: amperes rule下載手機詞典可隨時隨地查詞查翻譯