1) Dry matter transfer ratio
干物质转换率
2) The dry matter transference rate
干物质转移率
3) dry matter ratio
干物质率
1.
Three models were applied to calculate the dry matter ratio of different organs of artifical Larix olgensisHenry forests,and the dummy variable method was applied to analyze the differences of the dry matter ratio of different organs in various positions of a tree and at different age classes.
应用３种模型对人工落叶松林各器官（或分量）干物质率进行计算，并用哑变量方法分析各器官干物质率在树木不同部位上和不同龄组中的差异。
4) transformational substance
转换物质
5) mass conversion ratio
质量转换率
补充资料：边际产品转换率
边际产品转换率是指生产可能性曲线斜率的负数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条