本文提出了一种新的基于有效性指数的聚类算法，无需提供聚类的参数。
In this paper, we propose a new clustering algorithm based on cluster validity indices, which obviates the needs for cluster parameters.
在系统维护的等待阶段，运用阶段以及交替阶段中运用该模型，得到了系统在各个不同状态的概率及有效性指数。
By utilizing the mathematical model in waiting state, application state and alternative state, the probability and effective exponent of the system in different stages are attained.
进一步提出了随机条件下决策单元的期望有效性指数概念和相对有效性评价的期望值方法，最后给出了计算实例。
Then extends the efficiency measurement to the stochastic situation based on the expected value approach and presents the definition of the expected efficiency score, and finally a instance is given.
文章依据风险系统理论，构建区域环境风险区划的层次结构模型与指标体系，提出区域环境风险综合指数由风险源危险性指数、控制机制有效性指数、受体易损性指数组成。
It was proposed that comprehensive index of regional environmental risk consists of the danger index of risk source, validity index of control mechanism and vulnerability index of risk receptor.
同时，基于内部稳定性，犯罪，法之有效性以及与其他国家的关系，调查也鉴定这些城市所拥有的最高人身安全指数。
The survey also identifies those cities with the highest personal safety ranking based on internal stability, crime, effectiveness of law enforcement, and relationships with other countries.
目的观察听觉诱发电位指数在全麻诱导插管期间的变化，评价其用于临床麻醉深度监测的有效性。
Objective To observe the changes of auditory evoked potentials index(AEPI)during induction and tracheal intubation and evaluate its effectiveness on anaesthesia depth monitoring.
最后，以上海证券综合事业股票指数为数据，验证了诊断分析方法的有效性。
Finally, with the composite index of closing price in Shanghai stock market, it is shown to illustrate the effectiveness of the diagnose analysis.
实验结果表明，信息融合有效率指数能够刻画信息的选取、信息的相关性及融合算法对系统信息融合有效性的影响。
The experiment results indicate that the index can express the influence of information selection, information correlation and fusion algorithms on information fusion efficiency.
一种模型是基于有效性测度谢白尼指数的基因表达数据的模糊聚类分析。
One model is fuzzy cluster analysis of gene expression data based on a cluster validity measure named Xie-Beni index.
在国外，指数效应的是研究股票市场运行机制和股票市场参与主体行为的重要事件，也是研究股票市场有效性的重要事件。
In foreign countries, the index effect has been an important event for the research of not only the behavior mode of market participants, but also the problem of market efficiency.
讨论了加速失效模型族中最简单而又十分重要的指数回归模型，利用贝叶斯方法提高了该模型的有效性。
This paper discusses the exponential regression model, which is the simplest but very important in the family of Bayesian accelerated failure-time model.
上证180指数调整效应所表现出来的明显不同于成熟市场的特征反映了我国股票市场弱有效性的特征。
The effects of the revisions to the SSE180 index are evidently different from matured stock markets and reflects that Chinese stock market is weak-efficient.
研究树形弦网络在速度反馈控制下的指数稳定性及其控制器的有效性。
In this paper, a tree-shaped network of strings equipped with velocity feedback controllers is considered, and the exponential stability of the closed-loop system is obtained.
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.
文章提出了采用结构地震破损指数为依据，对地震强度指标定义有效性开展客观评价的建议。
The suggestion to evaluate the earthquake intensity indices based on the structural damage index is put forward by the author.
通过李亚普诺夫稳定理论证明跟踪误差是指数收敛的，仿真结果验证了这种方法的有效性。
It is showed by the Lyapunov stability theorem that the tracking errors converge exponentially. The simulation results illustrate the efficiency of this method.
通过李亚普诺夫稳定理论证明跟踪误差是指数收敛的，仿真结果验证了这种方法的有效性。
It is showed by the Lyapunov stability theorem that the tracking errors converge exponentially. The simulation results illustrate the efficiency of this method.
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