有效性

Through the analysis of Black Sea data, it is demonstrated that whether or not a bimodal distribution depends strongly on the estimating methods and the truthfulness of bimodal distribution obtained by the maximum likelihood method is doubted.

数值模拟表明贝叶斯方法对双峰方向分布估计的有效性，将其应用于黑海实测资料，证明双峰方向分布的出现依赖于估计方法分辨力的大小，而用最大似然法得到的双峰方向分布值得怀疑。

In this kind of incomplete information system, a new kind of binary relation based on relative degree is proposed according to the set pair analysis, this binary relation is only reflective.

在此基础上，分析了这种二元关系在两种特殊情形的不完备信息系统中的表现形式，然后根据新建立的基于联系度的粗集模型，使用决策矩阵讨论了规则生成方法，最后用一个实例说明了此方法的有效性。

Analyzed an illustrative example to indicate the validity of the new-defined binary relation.

对一不完备信息系统进行了实例分析，以说明新提出的二元关系的有效性。

The correctness and validity of ITA binary translation system provides verification for the contributions of this thesis.

ITA二进制翻译系统的正确性和有效性测试结果为本文取得的研究成果提供了验证。

Lastly, simulation was carried out, the results verified the efficiency of binomial expansion method in practical applications, therefore it is of great importance in design of analog fractance circuit and theoretical research of fractional calculus.

最后对该电路进行仿真，证明了二项展开法在实际应用中的有效性，对于模拟分抗电路的设计和分数演算的理论研究具有十分重要的意义。

OBJECTIVE: To explore the effectiveness of EEG biofeedback on children with ADHD.

目的：探讨脑电反馈治疗ADHD的有效性。

In order to obtain natural frequencies and natural modes,the bisection method combined with frequency sweep method is used to solve the characteristic equation of frequency.

数值结果验证了本文方法在其适用范围内的精确性和有效性

Control principle is introduced,and acousto-optical bistable system is taken as a typical example to demonstrate the effectiveness of this method.

介绍了变量旋转变换方法的控制原理，并用此方法控制声光双稳系统的混沌，以此验证其有效性。

Bistro was carried out. The results demonstrate the feasibility of the scheme.

Bistro为对象的实例研究验证了该方案的有效性。

The changes of environmental factors and physiological processes of organism play an important role in controlling the bioavailability of metal to marine bivalves.

环境因素和机体生理过程的改变在支配重金属的生物有效性方面起了重要作用。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。