2) trend yield
趋势产量
1.
This paper introduces the major mathematic models of synthetic prediction of crop yield, including separation of trend factor and trend yield,simulation of trend yield;,extension of trend yield;,prediction of fluctuating yield, revision of predicting errors, multi-result s synthetic integration .
包含农作物产量预测的趋势因子和趋势产量的分离;趋势产量的模拟;趋势产量的外延;波动产量的预测;预测误差的修正;多个预测结果的综合集成的主要数学模型和算法。
2.
The results showed that: the multinomial methods was more appropriate to separate the trend yield, and the yield of waxberry had close relationship with some climate factors of flower Suds period and autumn period, such as precipitation and temperature.
分析结果证明,用多项式方法对浙江杨梅的趋势产量进行分离比较合适,而浙江杨梅的气象产量主要同其花芽分化期、成熟期等重要时期的降水、气温等一些气象因子有关。
3) Yield trend forecast
产量趋势预报
4) trend product
趋势产品
1.
China’s paper product market in 2005: trend product supply exceeding demand as a whole;
2005年中国纸品市场:趋势产品总体供过于求
6) trend of production and sale
产售趋势
1.
To some extent,it can reveal the trend of production and sale of clay resources.
粘土作为一种重要的矿产资源在国际市场和利用方面具有重要的作用,从美国粘土资源近10余年来的生产总值、产量、价格以及进出口方面分析美国粘土资源状况,在一定程度上,揭示出国际粘土资源的产售趋势。
补充资料:边际产量(MP)
边际产量(MP):增加一个单位可变要素投入量所增加的产量。
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