随机函数

The Function and Error settings are only used for Stochastic User Equilibrium.

函数和误差设置仅仅用在随机用户平衡模型中。

The Russian square piece is a get-away drama with all proper old 幼, it carry out to be constitute by four pieces of colors of exact square piece, then save in one four chemical elements of the piece set, random creation dissimilarity of calculator seven the square piece of the category type, control it according to the calculator clock in certain time continuously creation, the customer is inside out according to four directions key control of the keyboard, to left, rightwards and get down the operation,.

俄罗斯方块是个老幼皆宜的小游戏，它实现由四块正方形的色块组成，然后存储在一个数组的四个元素中，计算机随机产生不同七种类型的方块，根据计算机时钟控制它在一定的时间不停的产生，用户根据键盘的四个方向键控制翻转、向左、向右和向下操作，（控制键的实现是由键盘的方向键的消息函数实现）。

The revenue-sharing ratio is exogenous variable, which is decided by the upstream and downstream enterprises together.

零售商销售产品时采用静态定价策略，价格是内生变量，市场需求是随机的，并且是价格的乘法函数。

The experimental results show that the distribution founction p of the whole signal group and the different pulse width subsets all fit the lognormal distribution with very high precision in the amplitude's field of definition (V0,VM) under the condition of the big samples, which indicates that the random signal group has the statistical fractal (self-similarity) characteristic.

实验数据表明，在大样本条件下，脉冲信号集合整体及不同脉宽信号子集的p 函数在幅度定义域(V0，VM)内均以很高的精度满足对数正态分布形式，即该随机脉冲信号群具有统计分形特征。

Y pretreatment on their leaves, the physiological effects of vitamin C, ethanolamine, cysteine, fucose and sodium benzoate were studied through design of randomized block and subordinate function values, and three best performance on improved its drought resistance chemicals were selected.

幼苗为试材，经叶片喷施药剂进行预处理后用PEG-6000溶液模拟水分胁迫，采用随机区组试验和隶属函数法，综合评价了维生素C、乙醇胺、半胱氨酸、苯甲酸钠和岩藻糖五种药剂对水分胁迫下香蕉幼苗叶片的生理影响，从中筛选出对有效提高香蕉抗旱性效应前列的三种药剂。

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。

The functionality of the random.choice function is given a sequence, return a random element of that sequence.

函数random.choice的用处就是根据指定序列，随机返回该序列中的一个元素。

By the method of supplemental variable, some important performance measures and queues generating function of this system have been attained.

运用补充变量法列出稳态下系统的状态偏微积分方程组，从而求得了系统主要排队指标及稳态队长的概率母函数的随机分解结果。

Random sequence generator, m is a sequence, generating function will be included in the inside, for four bit-can be changed!

随机序列发生器，是一个m序列，生成函数都写在里面，位宽为4，可以改变！

Since its establishment in 1993,the International GPS Service has played an important role in the geodetic research.

处理 GPS 数据时，除了需要考虑参数的函数模型外，还需顾及其随机模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。