查询词典 sampling distribution

Bayesian and empirical Bayesian theory are used to estimate the scale parameter of the double exponential distribution and the loss function and risk function of the Weibull distribution.

中文摘要：本文将贝叶斯，经验贝叶斯理论应用于双指数分布族的刻度参数估计和Weibull分布的损失函数和风险函数的估计。

Based on the spot measure and coal sample fracture experiment, the distribution of the top-coal block is found. Coal block distribution is the foundation of simulation test for coal block drawing.

通过块体顶煤的相似模拟放煤试验得出了顶煤块径大小、分布层位对顶煤回收率的影响规律，并得出了放煤工艺对顶煤分布特征的适应性规律。

EREE distribution of the surface sediments in Chukchi Sea, high-values are mainly located in the southwest area adjacent to the west and north of Point Barrow area, a significant low in the area of Central. DREE distribution of surface sediments in Bering Sea, the central REE values area higher than that two sides.

楚科奇海表层沉积物中∑REE的分布，高值区主要分布在海区西南侧、西侧和巴罗角以北海域，低值区重要分布在海区中部；白令海表层沉积物中∑REE的分布，南北两侧较中部采样站位值低。

EREE distribution of the su***ce sediments in Chukchi Sea, high-values are mainly located in the southwest area adjacent to the west and north of Point Barrow area, a significant low in the area of Central. DREE distribution of su***ce sediments in Bering Sea, the central REE values area higher than that two sides\'.

楚科奇海表层沉积物中∑REE的分布，高值区主要分布在海区西南侧、西侧和巴罗角以北海域，低值区重要分布在海区中部；白令海表层沉积物中∑REE的分布，南北两侧较中部采样站位值低。

First, the orthogonal test is conducted, and the results show that slurry concentration and momentum driftage of oxidic atmosphere has a great influence on both grain size and concentration distributions; agitated manner has little influence on either grain size and concentration distributions; agitated power has little influence on concentration distribution, but has a great influence on grain size distribution.

首先用正交试验组织了试验研究，并采用直观分析法和方差分析法对正交试验结果进行了分析，发现浆液浓度对沿浆池高度气液固三相的浓度分布不均匀性有特别显著性影响，对颗粒粒度分布不均匀性有显著性影响；浆池内氧化气体的动量流率对沿浆池高度气液固三相的浓度分布不均匀性和颗粒粒度分布不均匀性有特别显著性影响；搅拌方式对沿浆池高度气液固三相的浓度分布不均匀性和颗粒粒度分布不均匀性影响不大；搅拌功率对沿浆池高度气液固三相的浓度分布不均匀性影响不大，而对颗粒粒度分布不均匀性有显著影响。

To research into the distribution of laser spot on the sea surface of airborne laser bathymetric system, to obtain the relationship between its spacing and scan mode, scan driver rate, laser frequency and plane speed, and to optimize its distribution are important.

通过对激光测深仪的激光海面入射点分布的研究，得到了其疏密程度与扫描方式、扫描电机转速、激光器重复频率和飞机飞行速度等参量之间的关系，并对激光海面入射点分布进行了优化设计。

Using air dustfall data and samples at background sites, the quantity of dustfall, distribution scope, chemical composition and grain distribution characteristics, etc.

使用降尘背景观测点的大气降尘资料和样品，统计、分析和研究了沙尘暴降尘在各地区的沉降量、分布范围、化学组分和粒度分布特征等问题。

Using air dustfall data and samples at background sites, the quantity of dustfall, distribution scope, chemical composition and grain distribution characteristics, etc. of sand storm deposition at different areas were analyzed.

使用降尘背景观测点的大气降尘资料和样品，统计、分析和研究了沙尘暴降尘在各地区的沉降量、分布范围、化学组分和粒度分布特征等问题。

With selecting earlap as the measuring spot,a multi-layer simulation model of the earlap is established.The transmittance of the earlap model and its distribution regularities under vary beam properties(beam radius,the input energy and its distribution) and model parameters are researched by Monte-Carlo method.

选择耳垂作为测量部位，建立了多层耳垂组织仿真模型，利用Monte-Carlo方法研究了不同光源特性(光束半径，入射能量大小及分布等)及模型参数下耳垂组织模型的光透射能量及分布规律，由透射光能量分布、光电二极管光敏面积和探测灵敏度推出特定测量信噪比要求的入射光能量。

The distribution function of the system response and state function is approximately determined by the standard normal distribution functions using Edgeworth series, and its reliability is obtained.

在结构系统响应和状态函数的前四阶矩的一般数学表达式的基础上，使用 Edgeworth级数把未知响应和状态函数的概率分布展开成标准的正态分布表达式，并放松了对随机参数的分布概型和激励类型的限制，从而确定了系统的可靠度

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。