短語詞組短語processing and control element [計]處理和控制單元observation and signal element 觀通分隊creating and founding element 創(chuàng)生要素plate and shell element 板殼元analytical and boundary element 解析與邊界元productive and operational element 生產經(jīng)營要素disease and meteorologic element 發(fā)病與氣象要素conforming and nonconforming element 協(xié)調元及非協(xié)調元input and Output Element 輸入輸出單元 返回 and element