representative sampling

Some matters about representative sampling and sampling techniques were also discussed .

同时讨论了采样方法技术以及采样的代表性等问题。

The following table shows a representative sampling of the tabs and the commands available on each tab .

下表显示了选项卡的典型样例以及每个选项卡上的可用命令。

Then do some open-ended interviews and unstructured live observations with a representative sampling of your customers .

然后再选取有代表性的客户样本，举行一些开放式的访谈，以较为松散的方式观察他们的现场反应。

By sampling and examining , the relationship between aerosol and parameter of weather condition was found at the representative sampling address .

对一些有代表性的采样点进行采样检测，初步找出一些天气状况参数对气溶胶的影响。

The windshield of a moving vehicle is subjected to numerous insect strikes and can be used as a collection device for representative sampling .

一辆移动中的交通工具的挡风玻璃经受很多昆虫的攻击，并且能够用作代表性取样的一个收集装置。

Instead , through quotation , summary , and paraphrase , you try to provide a representative sampling of facts and opinions to give an objective report on your topic .

相反，通过引用、总结和释义，你可以将事实和观点进行有代表性地抽样，给出一个关于研究主题的客观报告。

Methods : Guangzhou city , Shenzhen city and Dongguan City were chosen as the representative sampling sites which were influenced by the haze weather in the Pearl River Delta .

方法：选择珠江三角洲地区受灰霾天气影响严重的广州市、东莞市和深圳市三个城市市区作为灰霾颗粒物采样地点。

Firstly , the preparation of the sample is critical , and it includes representative sampling , selection of dispersants , surfactants and admixtures , and use of the ultrasonic .

首先测量前最重要的问题是充分地准备样品，包括典型抽样、分散剂、表面活化剂和混合剂选用，超声波的使用等等；

Measuring the water cut of the crude oil with automatic on-line sampler rather than by the conventional method of representative sampling can increase measurement accuracy , and eliminate the inadequate representativeness existing in manual sampling for turn-over measurement .

用在线原油自动取样器采取代表性原油试样，可提高原油含水率化验结果的准确性，弥补原油交接计量过程中手工法取样其试样代表性不够全面的缺陷。

Results The air concentration of TCE in the three representative sampling sites was from 31.2 mg / m3 to 120.1 mg / m3 and the average is 72.5mg / m3 , 2.4 times higher than the national maximum allowable concentration .

结果活性碳管采集的具有代表性的3个作业点共31份空气样本，浓度范围在31.2～120.1mg/m3，平均浓度为72.5mg/m3，超出我国工作场所空气中有害物质容许浓度2.4倍；

The representative of sampling is improved by using the method based on uniform probability sampling , which is used to calculate the size and form of tracking gate .

采用概率均匀采样的方法来提高状态分布模拟采样的代表性，并用于计算跟踪门的大小和形状。

Representative of the discontinuity sampling frequency of SO2 is analysed .

对间断采样频率的代表性作出结论。