1) rate of reduction of output
减产率
1.
This paper analyses the submerge period and depth,rate of reduction of output of copper and educes the basic conclusion of and provides the reference gist for confirming discharge and design standard.
文章通过对农作物的淹没历时、淹没深度与减产率的关系的研究分析,得出吉林省中部涝区主要旱田农作物受淹减产分析的基本结论,为确定排水量的大小及设计标准提供了参考依据。
2) natural productivity decreasing rate
自然减产率
1.
By means of total differential analysis method, it is pointed out the formerly proposed method of modifying Cobb-Douglas production function by adding natural productivity decreasing rate and cost increasing rate has an unrealistic supposition, that is, it implies that resource stock of oilfield impacts output through weakening of technology progress.
采用全微分处理的方法,对以往在Cobb-Douglas生产函数中加入自然减产率和成本增加率的方法进行了理论分析,指出该方法隐含资源禀赋的变化对产出的影响是通过技术进步的减弱而实现的不合理假设。
4) Decreasing rate of orange yield
柑桔减产率
5) deminishing marginal productivity
边际生产率递减
6) accumulative yield decrease index
减产速率因子
1.
There exists a negative linear relationship between stress day index and the relative yield of rape and there also exists a negative linear relationship between accumulative yield decrease index and the relative yield.
在测坑和小区中对油菜进行多过程受渍试验,研究发现油菜各生长阶段地下水连续动态与其相对产量存在显著负线性相关关系,油菜各生长阶段的受渍敏感因子和减产速率因子不同,以花期最大,结果期最小;油菜抑制天数指标与其相对产量存在显著负线性相关关系。
补充资料：减产
产量减少；减少生产：粮食～ㄧ采取～措施，降低库存。
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