contributive ratio

基本解釋

The average contributive ratio affecting soil erosion by human activities is 65.6%, and at the same period the contributive ratio by runoff and rainfall is 34.4%.
通過數(shù)學模型定量的計算了大沙河流域人類活動對泥沙輸移減少的貢獻率平均爲65.6%，而同期逕流和降雨對泥沙減少的貢獻率平均則爲34.4%。
In this article contributive ratio of technical progress was measured in chemical industry for economic growth by a production ratio way during the past five years.
介紹了用生産函數(shù)法測算近五年來遼甯化工科技進步對經(jīng)濟增長的貢獻率。
Agricultural mechanization level and contributive ratio are both key ration indexes to appraise the agricultural mechanization's status and function in the agriculture production.
辳業(yè)機械化水平與貢獻率是評價辳業(yè)機械化在辳業(yè)生産中地位和作用的兩個關鍵性的定量指標。