经济系数有随供水和施磷水平提高而降低的趋势。
Economic coefficient declined with the improvement of water-supply level and p's amount.
促进养分吸收，增强光合作用，提高生物产量和经济系数；
Film - covered can increase effective fertility of soil, advance nutrient absorption, strengthen photosynthesis.
可见，以经济系数作为小麦高产及超高产育种的选择指标是可行的。
These can be concluded that it is feasible and general to take economic coefficient as selection goal of breeding for high yield.
吐丝至成熟期间，子粒重量占全株绝对增重量大的品种，经济系数高；
The economic coefficients of varieties with larger seed weight per whole plant absolute value were higher from silking to ripe stage.
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。
Total biomass decreased significantly with increasing of soil Cr concentration, while economic coefficient showed no significant change.
本文分析了水稻群体的个体质量分别与密度、产量和经济系数之间的数量关系；
This article analysis the quantitative relations between the single quality of a colony of rice plant and the density, output and economic coefficient.
经济系数平均达0.57。高产花生品种生育后半期有较高的干物质积累速率。
The average of economic coefficient reached 0.57. The high yield peanut cultivars had higher accumulation rate of dry materials in after life.
增强光合性能，提高生物产量和经济系数，是旱作覆膜马铃薯增产的重要生理基础。
Enhancing photosynthetic function, improving biological yield and economic coefficient is an important physiological basis for increasing the yield of potatoes covered with film.
论文以上高县为例，对“规程法”和“地统计学法”计算土地经济系数进行了比较分析。
With Shanggao County cited for the case study, the article made a comparative analysis of the calculation of land economic coefficient based on Rubrics and Geostatistics.
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。
Petroleum economic coefficient, defined as the ratio of economic reserves with total reserves, is a critical parameter for economic evaluation.
高产水稻株系的抽穗前物质生产量、抽穗后物质生产量、生物产量以及经济系数均较高且变异系数相对较小。
Biomass production in the entire growth period, dry matter accumulated before and after heading stage, economic coefficient in high-yield rice were higher and their deviations were relatively narrow.
并且，范围经济系数与银行资产规模呈正相关关系，规模较大的银行在扩大经营范围时更容易获得范围收益。
The results indicate that there exists the positive correlation between economies of scope and the scale of Banks.
在最高产量时，紧凑型玉米品种与松散型玉米品种相比具有叶面积系数大，干物质积累数量大，经济系数高等特点。
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.
研究了新玉9号正交种的密度效应，结果表明：1经济产量—密度方程呈渐近线型，经济系数—密度方程呈指数下降型。
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.
针对当前农用地分等中，直接利用土地利用系数和土地经济系数计算分等指数在无形中扩大结果离散性的缺陷，提出了线性模型来修正这两个系数。
The purpose of this study is to set up a linearity model for correcting land use coefficient and land economic coefficient. Methods of modeling and il lustrating are used.
本文运用1987年中国投入产出表，借助产业前后连锁度和推动与带动系数，对各产业的功能发挥及其在国民经济系统中的地位进行实证分析；
Based on "China 1987 Investment and Output Table", this article does detailed example studies of different industries' roles and positions in the national economy.
本文运用1987年中国投入产出表，借助产业前后连锁度和推动与带动系数，对各产业的功能发挥及其在国民经济系统中的地位进行实证分析；
Based on "China 1987 Investment and Output Table", this article does detailed example studies of different industries' roles and positions in the national economy.
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