效益

In order to get the best benefit, to study the method of VTS cost-benefit analysis is necessary.

为了获得最佳的效益，对VTS的费用-效益分析方法进行研究是十分必要的。

COST BENEFIT ANALYSIS Cost-benefit analysis is often used as a means of justification or evidence of impact.

成本效益分析成本效益分析是常用的一种手段，理由或证据的影响。

Therefore, we can through cost-benefit analysis to identify waste and eliminate waste, reduce costs and improve benefits.

因此，我们可以通过成本效益分析来找出浪费而达到消除浪费，减少成本，提高效益的目的。

Methods］ The cost-benefit analysis was used for the evaluation of EPI.

方法］ 应用成本-效益分析方法研究三明市实施计划免疫的成本效益。

The result shows that: The variation rhythm of the sensitivity index changed unanimously for Jensen,Blank and Stewart water production functions of spring wheat in Liangzhou city,the volume is small in the former stage,then become large at the middle stage,and less at the last stage. Jensen and Stewart water production functions are better of spring wheat in Gulang County in 1987-1989. The Variation rhythm of water deficiency sensitive index is unanimous: the volume are small at first,then large at middle,and diminish at last. The Variation rhythm of water deficiency sensitive index is unanimous in Jensen,Blank and Minhas of flax in Liangzhou county in 1987-1989. The water deficiency sensitive index in Gulang district in 1987-1989 models bad,are too many minus. 3 Establishing the non-linear model to definitive the irrigation quota and dimension of single crop,according the three prototype Precipitation,allocating the limited water optimally according to full water supply,95 percent,75 percent and 50 percent. Economy benefit is the biggest aim function,so getting three groups for irrigation quota,irrigation dimension and benefit,the biggest benefit is the most optimal result.

结果表明：1985-1986 年凉州春小麦Jensen 模型、Bl(来源：10a1ABC论文网www.abclunwen.com)ank 模型和Stewart 模型的敏感指数变化规律接近一致，在前期较小，中期增大，最后再减小。1987-1989 年古浪春小麦水分生产函数以Jensen 模型和Stewart 模型拟合较好，其敏感指数变化规律比较一致，敏感指标值前期较小，中期增大，后期又减小。1983-1985 年凉州亚麻水分生产函数以Jensen 模型、Blank 模型和Minhas 模型敏感指标值变化规律比较一致：先减小，后增大，最后再减小。1987-1989 古浪亚麻敏感指数出现负值较多，模型拟合较差。3 建立单作物种植条件下灌溉定额与灌溉面积的确定的非线性规划模型，将有限的水量按照充分供水，95%、75%和50%供水来分配水资源，以经济效益最大为目标函数，得出三组灌区灌溉面积和效益结果，其中以效益最大为最优解。

Under restriction of boundary benefit degression law, the optimizing proportion of invest distribution lies on difference of unit invest benefit.

在边际效益递减规律约束下，投资分配的最佳比例取决于单位投资效益的差异。

Through the analyzing of several forest ecological benefits,the dependent variable set and the independent variable set were found.

通过对森林多种生态效益的分析，确定了计量森林生态效益的因变量集和自变量集。

On the analysis of derogation benefits, it is weighted by accident occur probability and accident loss.

1在减损效益分析上，通过将事故发生概率与事故损失结合来衡量安全投资减损效益。

This dissertation criticizes the relationship between safety investment and other two aspects, includes less transportation derogation benefits and work efficiency improvement benefits.

本文从安全科学和经济学的角度出发，系统研究了安全投资与运输减损效益及工效提高效益两方面的具体关系。

The results showed that the elements of design that affect brand equity are aesthetics, originality, informativeness, identifiability, eye-catchingness, memorability, and systematic, cultural, symbolic, protective, convenient, environmental and displayable qualities.

研究结果显示，包装能够提供消费者的设计效益分别为美感性、独创性、资讯性、识别性、醒目性、记忆性、系统性、文化性、象徵性、保护性、便利性、环保性、展示性等13项设计效益，经研究证实其同时对品牌权益具有影响作用。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。