查询词典 sampling

Methods Whole group sampling method was adopted, 840 aged 30~70 years residents were investigated in Tongliao, including investigations of questionnaire research, measure stature, avoirdupois, blood pressure, pulse etc.

采用整群随机抽样的方法，抽取年龄在30~70岁居民840人进行调查，包括问卷调查、测身高、体重、血压、脉搏等，对其结果进行流行病学分析。

A two-dimensional axisymmetric finite element model of sampling tube and sediments is built.

建立了取样管与沉积物接触的二维轴对称有限元模型。

A measurement system control and data processing software is composed with 4 modules, namely, parameters setup module, sampling control module, data processing module, and 3D display module which can illustrate the 3D profile of the inside surface of barrels with normal axonometric projection and cabinet drawing.

该软件分为参数设置模块、采样控制模块、数据处理模块和三维表面显示模块，可实现采样过程的动态显示，并能以正等测和斜二等测两种投影方式向用户展示被测表面的三维形貌。

This article presents the corresponding measures on the adjustment of samplc pressure,temperature of thermotank ,flowrate of carrier gas,length of measuring cycles and determination of keeping time of sample compositions;the influence of sampling,columns interchange,backflush and time change of compensation valvc to the measurement and analysis and the solutions to bo adopted.

介绍 PGC3 0 2在线气相色相谱仪因原进口色谱柱劣化，换用国产色谱柱后，在调试过程中，样品压力、恒温箱温度、载气流量、测量周期长短、样品各组分保留时间的确定，采样、柱切、反吹、平衡阀门开关时间的改变对测量分析的影响及解决办法。

The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.

目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。

The basic properties of the importance measure of the basic variable effect on the failure probability are discussed in this paper. Since the saddlepoint based line sampling method is independent of the distribution types of the random variables, and has the advantages of high accuracy and efficiency, this method is employed to estimate the defined importance measure.

文中分析了所定义基本变量对失效概率影响重要性测度的基本性质，并基于鞍点线抽样在求解可靠度时不受随机变量分布形式的限制及其效率和精度较高的优点，提出了求解该重要性测度的鞍点线抽样方法。

A design of a moving data sampling system basing on wireless communications has been introduced in this paper.

该文介绍了一种基于无线通信的活动式数据采集系统。

We are sampling adequately while the fruit of plentiful and substantial that traditional agriculture development brings experiences traditional agriculture to develop the heavy hot water that mode brings, also be faced with contemporary to 21 centuries agriculture to develop directional alternative.

我们在充分品尝传统农业发展带来的丰硕果实并感受到传统农业发展模式带来的重重困境的同时，也面临着对21世纪现代农业发展方向的选择。

It should be noted that for signal processing applications, it is imperative that the frame synchronization signal from the TMS320C5x/C54x will provide equidistant sampling.

值得注意的是，为信号处理应用，它是必要的框架同步信号从TMS320C5x/C54x 将提供等距离采样。

For the complicated beat frequency signal processing, the thesis proposes a new beat frequency measurement method, that is window sampling method.

本文研制了使用半导体激光器的大长度绝对测量系统，是光学、电子技术和计算机技术的综合应用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。