在此基础上提出了基于样本评价组合有效性的综合模型，并根据生产函数理论讨论了这一模型的意义。
Then the author offers a synthetical model based on sample evaluation combination efficiency and discusses the meaning of this model according to produce function theory.
基于样本的DEA方法在择优排序，风险评估，分析有效单元性质，预测组合有效性等方面具有积极的作用。
The sample DEA has an active function on giving an order of units, risk evaluation, analyzing of DEA efficient units and forecasting the combination efficiency of some units.
第一，存在项目组合管理机制有效性的质量控制和测量。
First, there are controls and measures that qualify that the portfolio management governance mechanism is effective.
说明了用组合分析方法证明代数恒等式的有效性和实用性。
It shows the effectiveness and practicability of the approach to prove algebraic identies with combinatorial analysis.
通过分析和比较验证了该组合算法的有效性。
After analysis and comparison, the effectiveness of the combination ways is proved.
评述了应用经典统计学和贝叶斯推断检验资产组合均值方差有效性的文献，提出了这些方法在我国应用-的可能性。
The purpose of this paper is to summary the literatures on tests of portfolio mean-variance efficiency in the framework of classical statistics and Bayesian inference.
对基于最小几何距离的加权调和平均组合预测模型的性质进行了研究，从理论上说明了该种方法的有效性。
We study the properties of harmonic means combination forecasting method based on minimizing geometric distance to demonstrate the effectiveness of this method theoretically.
最后通过实验验证组合特征抽取方法的有效性。
A furthermore experiment proved that the combined feature selection method is effective.
行政法制监督的有效性是由各构成要素在一定的组合方式下相互影响、相互作用的综合效果来决定的，而不等于各构成要素功能的简单相加。
The validity of administrative supervision of legal system is determined by comprehensive impacts of various elements which interact in a certain combined way, not simply by their summarizations.
最后在直线制动工况下模拟了该路面状态识别方法在分离路面和组合路面上的可靠性和有效性。
In order to illustrate the accuracy and effectiveness of the approach, two simulations of straight line braking were conducted on split and tessellated road surfaces, respectively.
我们得到沪深指数和沪深ST板块的组合符合市场弱有效性，而有些个别ST股票未能通过检验。
We get the results that the stock indices and portfolio of ST pass the test, but some ST stocks can't pass the test.
详细介绍了组合同步和多数判决译码法的实现原理，并用实验验证了方法的有效性。
Principles of both combined synchronization and decoding using more judges are introduced detailed, and their validity are tested through experiments.
在对所提算法有效性的测试中，量子组合优化算法无论对函数优化还是旅行商问题，都取得了较好的效果。
In testing the effectiveness of the proposed method, the quantum algorithm for combinatorial optimization both for function optimization problem or a traveling salesman, had achieved good results.
以理想解法和灰色关联度分析法为基础进行组合，得到的组合评价方法能够提高评价结果的有效性。
The combinational evaluation method which combines TOPSIS with gray correlation degree analysis can improve validity of the evaluation result.
通过对测试系统的MATLAB仿真实验和结果分析验证了随机聚焦粒子群算法用于求解机组组合问题的有效性和优越性。
By simulating and analysis of the results of test system using MATLAB, effectiveness and superiority of SFPSO for solving the unit commitment problem are confirmed.
透过这些问题，我们发现问题的根本症结在于教师在实施小组合作学习时缺乏有效性的观念。
Through this problem, we find the key to the problem is that teacher lacks concept about effective cooperative learning.
对液压锤合理地设置了蓄能器与组合密封结构，提高了液压锤的总效率，并通过实验证实了该设计方法的合理性与有效性。
Taking account of the working characteristics of hydraulic hammers, an optimum DE - sign of the accumulator and composite seal constructions is conducted - to increase the hammers total efficiency.
目的：观察teca型组合型人工肝支持系统(HALSS)治疗急性肝功能衰竭(alf)患者的有效性和安全性。
Objective: to assess the efficacy and safety of type TECA hybrid artificial liver support system (HALSS) to treat patients with acute liver failure (ALF).
文中将免疫算法和蚁群算法相结合，即用免疫算法来求得蚁群算法中关键参数的较优组合，以增强蚁群算法的有效性。
In this paper, discuss a new algorithm which combines the immune algorithm and the ACA. Immune algorithm is used to set the parameters of the ACA in order to achieve great efficiency.
仿真结果验证了组合拓扑结构及组合调制策略的有效性，为多电平逆变器组合拓扑结构的实际应用奠定了基础。
The simulation results proved that the validity of hybrid structure and corresponding modulation strategies, it lays the foundation of practical application on hybrid multilevel inverter structure.
无论多么复杂和深思熟虑的营销组合的其他部分，该公司的命运将上升或下降其分配政策的有效性。
No matter how sophisticated and well-thought out the other components of the marketing mix are, the company's fortunes will rise or fall on the effectiveness of its distribution policy.
通过十杆平面桁架的数值算例来验证组合遗传算法应用的可行性和有效性，组合遗传算法的优化结果也远好于标准遗传算法和改进遗传算法。
A numerical example of a ten-bar truss was given to demonstrate the validity and feasibility of CGA in its application, and it is found that the optimized results of CGA are superior to SGA and IGA.
最后结合林业经济预测实例说明了多模型组合的应用及使用林业经济预测模型库系统进行预测的有效性。
Finally a example of timber demand forecast is provided to demonstrate the application of forecasting model base system of forestry economy.
已经发现，按照该方式使用至少两种腺病毒血清型的组合物，能提高腺病毒给予的有效性。
Utilizing a composition of at least two adenoviral serotypes in this manner has been found to increase the effectiveness of adenoviral administration.
依据本文构造的组合圆形活塞声源，导出了该声源远场指向性公式，并对其正确性和有效性进行了仿真研究。
A built-up circular piston sound source is established in this paper. The directivity formula of its far field is obtained, and its validity is simulated.
并以槽系要素的组合夹具为实例证明了系统的实用性和有效性。
An example of modular fixture design of slot part is presented to illustrate the methodology.
最后，应用具体实例模拟组合流程的分析过程，展示了该方法的有效性。
Finally, a specific example is utilized to simulate the analysis procedure of service processes, which shows the effective of the proposed method.
特别地根据本发明的组合物在色素沉着的化妆或皮肤病学治疗中显示出改善的有效性，而没有现有技术组合物的缺点。
In particular, the compositions according to the invention show improved effectiveness in the dermatological or cosmetic treatment of pigmentation, without the drawbacks of the prior art compositions.
特别地根据本发明的组合物在色素沉着的化妆或皮肤病学治疗中显示出改善的有效性，而没有现有技术组合物的缺点。
In particular, the compositions according to the invention show improved effectiveness in the dermatological or cosmetic treatment of pigmentation, without the drawbacks of the prior art compositions.
应用推荐