probability of occurrence

These wind roses show the probability of occurrence of wind speeds for sixteen compass points.

这些风的图形揭示了十六分圆盘上风速出现的概率.

The occurrence of the fire more than a period of time is often able to demonstrate very clear and strict laws of probability, this is the basis and foundation of the theory of the trend of fire.

一定时期内多起火灾的发生往往能够表现出非常明显、严格的概率规律性，这正是对火灾趋势研究的理论基础和依据。

Once the threats are cataloged they can be assessed and classified according to probability of occurrence and potential impact.

一旦完成了威胁的编目，我们就可对它们进行评估并根据其发生的可能性和潜在的影响进行分类。

EM clustering algorithm is a popular iterative refinement algorithm which can be regarded as an extension of K-means algorithm. Based on the probability of the occurrence of subordination between objects and clusters, the objects can be allotted by this algorithm.

EM聚类算法是一种流行的迭代求精算法，可以看作是k均值算法的一种扩展，该算法根据对象与簇之间的隶属关系发生的概率来分配对象。

The most likely combination ( the largest probability of occurrence) and the most adverse combination of major tributaries flood are obtained and corresponding design flood of different joint return periods are calculated.

得出长江上游干流及主要支流来水量出现的最可能组合（即出现概率最大的组合）和最不利组合情况下，相应三峡大坝不同联合重现期的设计洪水。

An index of risk of contingencies utilizing the time margin of contingency and probability of contingency occurrence is defined, and an index of transient security risk of the system are also defined under certain kind of contingency set.

利用预想事故的时间裕度和发生概率定义了预想事故的风险指标，并定义了度量系统在特定类型事故集合下的暂态安全风险指标，然后据此提出了一种对系统进行暂态安全评估的方法。

Probability is the mathematical study of the likelihood of an event's occurrence.

概率是对一个事件发生的可能性的数学研究.

Experts' semantic evaluation is converted to trapezoidal fuzzy numbers to determine the probability of occurrence of human errors.

为确定人为失误的发生概率，论文将专家的语义评价转换成梯形模糊数。