查询词典 systematic sampling

Objective To explore disease-associated proteins in the serum of patients with inflammatory bowel disease by serum proteomic analysis combined with mixed sampling strategy.

摘 要：目的应用混合样本策略的蛋白质组学方法在炎症性肠病患者血清中寻找与疾病相关的蛋白质。

Chromosomal mosaicism occurs in some embryos and can be demonstrated in the placenta on chorionic villus sampling.

染色体镶嵌性见于某些胚胎并可在胎盘中的绒毛膜标本上被显示。

Chromosomal mosaicism occurs in some embryos and can be demo trated in the placenta on chorionic villus sampling.

染色体镶嵌性见于某些胚胎并可在胎盘中的绒毛膜标本上被显示。

In the Win98 function in those who need more powerful driver of the mouse can be adjusted, and in Win2000/XP system, it is very easy to achieve: Right-click "My Computer", select "manage", and then in the pop-up management window and select "Device Manager", a "mouse and other pointing device", double-click the following PS / 2 mouse, pop-up its property window, click on the "Advanced Settings", the following "sampling rate" set to " 200 ", click OK to exit.

在Win98中需要通过那些功能较强大的鼠标驱动程序才能调整，而在Win2000/XP系统中，则很容易实现：右键单击"我的电脑"，选择"管理"，然后在弹出的管理窗口中选择"设备管理器"，展开"鼠标和其它指针设备"，双击下面的PS/2鼠标，弹出其属性设置窗口，点击"高级设置"，将下面的"采样速率"设置成"200"后，点击确定退出。

Methods: The study sample comprised 1 573 35～44 year old and 1 515 65～74 year old Guangdong residents recruited from urban and rural areas through multi stage cluster sampling.

通过多阶段整群抽样方法从城市和农村抽取35～44 岁组1 573 人和65～74 岁组1 515 人为样本，用结构式问卷由经培训的问卷人员进行面对面问卷调查。

Methods A total of 6 352 students were chosen by multi stage randomized sampling, the information of the students aged 7-8 were collected by face to face interview, students aged 9-18 by self administered questionnaire. Results The incidence rate of injury was 48.0%, and there were 30.4% of the students reporting had committed injury. Every injury case had 1.58 injuries during one year averagely.

用4阶段分层随机整群抽样方法抽取大城市、中小城市、一类农村和二类农村各3个县区进行调查，每个县抽取1所学校，共对6 352名学生进行调查，小学一、二年级学生面对面访谈，三～六年级学生在调查员和老师的指导下完成，初、高中生自填。

Multi-stage random sampling method is used, and the sample size is 750 persons in total.

采用多阶段系统随机抽样的方法，抽取750人进行入户调查。

The characters of the system selects 12 - bit A/D chip converter with high sampling rate and high precision to switch the circuit design. Using multiaddress technology finishes the A/D conversion of the multichannel signal.

本采集系统的特点是选用高采样率高精度的12位A/D转换芯片进行A/D转换电路设计，并采用多路复用技术实现了多通道信号的A/D转换，保证了系统的信噪比，提高了系统的测量精度。

Methods 18 583 subjects were randomly selected from three cities and three counties by multistage sampling method.

采用多级抽样方法，对辽宁省3市3县18 583名居民过去1 a中的伤害情况进行调查。

Research interests encompass sampling, estimation, semi/non-parametric methods, multivariate statistics, data mining and complex data analysis.

研究兴趣包括采样，估计，半/非参数方法，多元统计，数据挖掘和分析复杂的数据。

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。