查询词典 probability field

They concluded with a challenge that has become the rallying cry for all SETI enthusiasts since:"The probability of success is difficult to estimate; but if we never search, the probability of success is zero."

他们和所有 SETI 爱好者的挑战已经来临，而他们的口号是："成功的可能性无法估计；但是，如果我们不去搜索，那么将无法成功。"

The acute rejection probability is higher in patients with positive PRA; in other hand, the probability is lower in patients with negative PRA.

术前、术后群体反应性抗体阳性患者，术后发生急性排斥的概率较高；而术前、术后群体反应抗体阴性的患者发生急性排斥的概率较低。

How to use the result of probability prediction i s discussed in this paper. It is noticed that the probability of earthquake occu r rence strongly depends on the time, space and magnitude span to be predicted.

对概率预测结果的使用进行了探讨，提出应充分注意发震概率的大小与地震发生的时空强范围之间的关系。

The results show:(1) the probability at small scattering angle is larger than that at big scattering angle. With the increase of collision energy, the scattering probability and the tail effect slow down.

结果表明：(1)小角散射的概率大于大角散射的概率；碰撞能量越高，散射概率越小，尾部效应越弱。

People, on the other hand, do senesce , because the probability of a 70-year-old dying in the next year is higher than the probability of a 60-year-old dying in the next year.

另一方面，人们却实实在在衰老，因为在下一年度，70岁老人死亡的可能性高于60岁老人。

For evaluating the firing efficiency of missiles to do ship-to-shore firing, this paper chooses damage probability as the index, uses overlapping coefficient to correct the effect of overlapping, and calculates the damage probability based on Monte Carlo method.

为了更好的评定舰载火箭炮对岸射击的射击效能，选用了毁伤概率为效能指标，应用重叠系数法排除子弹重叠的影响，运用蒙特卡罗法计算出毁伤概率，并给出了保证实验精度的方法。

The message overflow probability is discussed. The probability distribution and the expectation of message sojourn time are presented. This paper illuminates how to choice system parameters to meet the real-time requirements of the system.

本文研究了基于TDMA的通信系统中报文延迟问题，建立了时延模型，讨论了报文溢出概率，给出了报文驻留时间的概率分布和期望值的计算方法，并说明了如何选择系统参数以满足系统的实时性要求。

Based on velocity and direction distribution of mobility model, this text put forward the scheme of simulating the movement of mobile station and the methods of computing the sojourn time, then make statistical analysis on the sample to obtain the probability density function of the sojourn time and the probability of handover.

在移动模型运动速度和方向分布的基础上，利用Matlab模拟移动模型在小区内运动轨迹，并随时判断移动模型是否离开小区，以此计算移动模型在小区内的停留时间，并对多次计算所得到的大量数据进行统计，得出停留时间的概率分布，并推倒切换发生率。

It is proved that if the optimal solution tree has an inter-node, the necessary and sufficient condition that tree structure GAs are solution foundable is that the initial population contains an inter-node; the upper limit of solution foundable probability is also calculated and the population size is proved to increase at most in a polynomial of increasing problem complexity and the probability upper limit.

本文接着给出了当初始群体随机产生，只有杂交算符作用或只有复制与杂交算符作用的遗传算法有解的充要条件，并加以证明；而且求出了这时有解的概率上限，并证明群体大小的增加不超过问题复杂性和有解概率上限的某个多项式。

An inductive learning method for classification based on information theory is proposed, which is a maximum contribution classification method according to the theory of channel transmission in information theory, the definition contribution is developed based on probability distribution of classified space, probability transfer matrices of classified space and feature space and mutual information, then entities is classified by the maximum contribution method.

提出了一种基于信息论的归纳分类学习算法－最大贡献分类算法。该算法根据信息论中信道传输的理论，把类别空间和各特征空间的概率转移矩阵以及互信息结合起来，定义了贡献的概念，从而得出了对给定的观测值，用它的最大贡献作为对实体进行分类的规则。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。