查询词典 probability

The probability generating function of queue length under stability is obtained by supplementing variables,where, p\-0 may be found numerically by solving first kind Fredholm integral equation.

尽管系统队列中仍有顾客在等待。对服务员有休假的排队系统的全面介绍可参看文献[1—3]。

This alternative can decrease effectively the probability of tree flower being freezingly injured (May 1, usually), as a result the stability of orchard production can be improved.

覆草改变了土壤的解冻时间，将果树开花推后7d左右，增加了果树开花躲过晚霜的可能性，增强了果树生产的稳定性。

A comparison of the two displaying methods of cooling-load rate distribution, that is, time frequency chart and probability distribution curve, is made.

对时间频数图、概率分布图这两种负荷率分布的表示方法进行了比较。

The probability distribution of gene frequency was studied by simulative method in finite population.

本文采用计算机模拟的方法，对有限群体中基因频率的概率分布进行了研究。

Peirce thus added the possible as a third mode of being—and, in so doing, gave up his long-held, Mill-inspired frequency theory of probability—and his scheme of categories was fundamentally complete.

CP 8.308 皮尔士因而增加不可能为第三种存在模式---这样做时，就放弃了他长期坚持的 Mill引起的可能性的频率理论---于是他的范畴安排根本上就是完全的了。

A student of Frisch's, Trygve Haavelmo published The Probability Approach in Econometrics in 1944, where he asserted that precise statistical analysis could be used as a tool to validate mathematical theories about economic actors with data from complex sources.

的学生弗里希的，赖伊哈韦尔莫出版的概率方法在计量经济学在1944年，在那里他断言确切的统计分析，可作为一种工具来验证数学理论对经济行为的复杂的数据来源。

Using the theories of probability, algebra, logical function in cryptology and spectral theory comprehensively, the dissertation investigates the properties and constructions of orthomorphic permutations, omni-direction permutations, quick trickle permutations and generalized orthomorphic permutations.

分组密码是现代密码学中一个重要的研究分支，而置换理论在分组密码中占有重要的地位，任何没有信息扩张的密码体制都可以看作是置换的结果，如数据加密标准DES可以看作是明文在密钥控制下的置换，公钥密码体制RSA可以看作是一种多项式置换，因此，研究置换的有关性质和构造具有重要的理论意义和应用价值。

"Mathematical analysis ","probability theory and mathematical statistics","function of complex variable"," differential equation ","mathematical experimentation ", etc..

数学分析》、《概率论与数理统计》、《复变函数》、《常微分方程》、《数学实验》等。2000年以来，在《云南大学学报》等刊物上公开发表学术论文7篇。

Based on the precision and the cost of the relationship between the use of conditional extremum for the function of several variables method to determine when the first sample for sampling with probability proportion to size,the second-simple random sampling,the two-stage sampling is optimal allocation.

本文根据精度与费用之间的关系，利用求多元函数条件极值的方法，确定当第一级抽样为有放回PPS抽样，第二级抽样为简单随机抽样时，二阶抽样的样本容量最优分配。

Therefore, this thesis focuses on the detailed introduction of furfural industry and itsinfluence on the environment at first, and also the probability and feasibility of developmentconcerning the furfural industry in Jilin province is analyzed.

为此，本文首先对糠醛产业及其对环境的影响做出了较为详细的介绍，并结合吉林省具有黄金玉米带的优势，分析了糠醛产业在吉林省发展的可能性和可行性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。