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利用系数；经济系数
1、coefficient analysis───系数分析
2、economic condition───[经]经济条件；经济状况；经济情况，经济条件
3、addendum coefficient───[机]齿顶高系数
4、coupling coefficient───啮合系数；[电子]耦合系数
5、coefficient───adj.合作的；共同作用的；n.[数]系数；率；协同因素
6、leading coefficient───[统计]首项系数
7、coefficient meaning───系数含义
8、convective coefficient───对流系数
9、diffusibility coefficient───扩散系数
1、The Correlation between Economic Coefficient and Other Characters in Wheat───小麦经济系数与其它若干性状关系的研究
2、Exergy-economic coefficient in selection of refrigeration system───经济系数在制冷方案选择中的应用
3、biomass decreased significantly with increasing of soil Cr concentration, while economic coefficient showed no significant change.───随着土壤铬含量的增加，水稻生物产量显著下降，经济系数无明显变化。
4、Influence of Land Use Coefficient Based on Linearity Model and Land Economic Coefficient Revision on Agricultural Land Classification───基于线性模型的土地利用系数和土地经济系数修正对农用地分等的影响
5、Based on the results above, exergy economic coefficient is used to analyze account for two factors, technology and economy.───并在此基础上采用火用经济系数，兼顾技术与经济两方面因素进行分析。
6、Petroleum economic coefficient, defined as the ratio of economic reserves with total reserves, is a critical parameter for economic evaluation.───石油经济系数是石油资源量中具有经济效益部分资源所占的比例，是经济评价的重要参数之一。
7、Economic coefficient declined with the improvement of water-supply level and p's amount.───经济系数有随供水和施磷水平提高而降低的趋势。
1、The results were as follows:(1) The plant dry weight, grain yield and economic coefficient were different among triticale, secale and triticum.
2、Economic coefficient is equal to the product of marginal profit and expressed discounted value for objective trait.
3、At same time, the leaf area coefficient, dry matter accumulation and economic coefficient of compact type corn variety is bigger than loosely type corn variety.
4、We studied the density on Xinyu No. 9. The result showed that: 1)Economic yield density assume asymptote model; Economic coefficient density, exponential decay curve.