优越性

The estimation of population mean is obtained using a cluster sampling method supplementary stratified sample.

本文就是在这一宗旨下，提出一些新的抽样方案，并在理论上证明这些方案的优越性。

This paper applies WVPA and VPA to the red porgy fishery in Atlantic, and both results are almost similar. But giving it is easy to obtain the data of weight output, WVPA proposed in this paper has more advantages.

文章应用WVPA与年龄结构的VPA一起评估大西洋赤鲷渔业，结果表明，采用WVPA得到的结论与采用VPA的结果近似一致，但考虑到体重结构产量数据更易获得，该方法更具有优越性。

All in all,the intelligent electro _pneumatic valve positioner have its advantage,also is one of trend of control process development.

综合来讲，智能电-气阀门定位器拥有其优越性，是过程控制发展的趋势之一。

Based on the relationship between matrix and symmetric matrix global exponential stability of the discrete-time neural networks model and the result of exponential convergence rate were obtained by using the characteristics of eigenvalues of a positive definite matrix and introducing a proper factor.

针对带有边界约束的凸二次规划问题，利用离散神经网络模型的建模原理，构造了一个神经网络模型。利用矩阵与对称矩阵的关系和正定矩阵特征值的性质，通过引入一个适当的因子，得到了该离散型神经网络模型是全局指数稳定性和指数收敛率的结果。同时分析了该结果的优越性和存在的不足，提出了解决的3种方法，最后给出了实例说明本方法取得结果的实用性

Some examples are calculated and by comparing the results with those obtained by the power series method, the validity and some excellences of the B-spline function method, such as wider convergent range, higher precision and less amount of computing time, are demonstrated.

所得结果很理想，验证了样条函数在此问题上的有效性，并在收敛速度、收敛范围、计算精度等方面体现了此法的优越性。

The results showed that this method is practicable, have certain advantages.

实验结果表明，本文的方法是切实可行的，具有一定的优越性。

The compared simulation results show the advantages and practicality of this design method.

仿真结果的比较，验证了该设计方法的优越性和实用性。

The feasibility of the application of predictive control theory in electric power system is discussed in details, the advantages of using predictive control theory are explained from a theoretical point of view.

对预测控制理论在电力系统中的应用的可行性进行了充分论证，进而从理论上说明电力系统控制应用预测控制理论的优越性。

Results of case simulation show that the proposed method is feasible and predominant.

算例的仿真分析结果验证了该方法的可行性和优越性。

To take advantage of the chaotic mapping, a repetition prepotency evolution algorithm with a population initialized by chaotic numbers is developed in which the chaotic mapping is an uncommon seeding-machine to produce different initial'chromosome'populations never appeared before for PE algorithm. The combination of chaotic mapping and PE makes PECA be able to probe lots of optima rapidly and effectively owing to the quick convergence speed of PE and relatively high population diversity guaranteed by chaotic mapping.

结合混沌来初始化优势进化算法的群体成员，还设计了基于混沌初始化群体成员的循环优势进化方法，该方法在混沌保证每次优势进化绝对不同的初始群体成员的情况下，不仅具有了优势进化的快速收敛优点而且有混沌映射保证群体成员的高度多样性，从而可以快速探测很多局部最优点，大大提高了找到全局最优点的机会，用它训练神经网络预测四卤化物振动频率研究充分体现了该策略的优越性。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。