查询词典 systematic sampling

Two kinds of DPA estimators are given by way of Nonstandard Analysis andprobability parameter sampling,respectively.One kind of DPA algorithm,based on a sample pathof GI/GI/l system,can estimate simultaneously EST and expected busy period length gradient.

分别从非标准分析和概率参数抽样方式的角度建立了两类DPA估计量，特别地，前一类DPA估计量可以同时估计顾客的期望系统时间和忙期期望长度的梯度。

A 1998/99 national survey of licensed acupuncturists in Massachusetts and Washington state found the licensed acupuncturist workforce to be close to 60% female.21 The same national sampling survey found that about 20% of the acupuncturists were nonwhite and about 90% of these acupuncturists were Asian or Pacific Islander.

阿1998/99全国调查的持牌针灸在马萨诸塞州和华盛顿州发现持牌针灸劳动人口将接近60％，female.21相同的国家抽样调查显示，约有20％的非白人针灸师约90％，这些针灸师亚裔及太平洋岛民。

Methods Get the norm of solution vector to the equivalent integral equation using numerical calculation in every sampling point at imaging region,and represent the norm with gray to reconstruct the scattering shape.

方法通过数值计算，求解等效积分方程，获取解向量在成像区域内每一采样点的范数，利用灰度表示其范数，重构散射体形状。

We defined a matrix in the normal field as the weights and consider that the different sampling rate has effect on the mesh smoothing.

在顶点的平滑过程中，每个顶点的权重采用一个定义在法向量场上的矩阵来表示，同时考虑了不同采样率对网格平滑的影响。

TAIWAN, TAIWAN – Situated on Kunming Street in Wanhua District of Taipei, Nougat Beef Noodle House is run by two brothers who both are fond of sampling exquisite foods.

台北市的牛肉面口味种类越来越多元化，清炖、红烧、川味、麻辣，现在还有业者推出以新疆蒙古火锅改良而成的天香口味牛肉面，东西还没端上桌，孜然牛肉面汤头即阵阵飘香而来，让人饥肠辘辘。

This paper introduces an apparatus blowing adsorption and an experiment method for sampling and analyzing the volatile odorant of plant.

提出一种收集、分析植物挥发气味物质的吹气吸附装置和实验方法。

Methods 790 people live in community and old people's home over 50 years old were under investigation using random sampling methods.

随机抽取790名社区和敬老院50岁及以上中老年人进行抑郁症状及相关影响因素的问卷调查。

Sampling frequency is also deduced oncondition that algorithm error has little effect on the dielectric loss angle measurement.

推导了在基于DFT的自适应整周期采样算法误差对介质损耗角测量影响不大条件下的采样频率，并进行了数值仿真。

In this algorithm, the variable vector corresponding to one arbitrary point in the pre-sampling set initializes the reduced basis space.

其基本做法就是，在参数空间预采样的基础上，从某个预采样样本点开始，把该点作为第一个样本点，把其对应的场变量向量作为第一个基向量对其他的预采样点进行减基近似。

The objective of such an investigation should be to identify the source of the OOS result. Varying test results could indicate problems in the manufacturing process, or result from sampling problems.

这样调查的目的是确定OOS结果的来源，变化的试验结果可能显示是生产工艺的问题或取样问题导致的结果。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。