representative sampling

1. The premise behind ADC is to automatically create a representative compression dictionary based on sampling a small subset of table data.
   ADC的前提是根据抽样的一小部分表数据自动创建一个代表性的压缩字典。
2. 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。
3. 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。
4. The reasons of the low representative level and short representative range of the sample under the present sampling testing system for hot rolling stripe are discussed.
   分析了现有抽样制度下样本代表性低和代表范围窄的主要原因。
5. 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。
6. The unascertained mathematics was introduced to analyze the representative values of compressive strength of concrete core from cast in-suit pile at the condition of small sampling data.
   根据未确知数学理论，提出了小样本条件下灌注桩混凝土抗压强度代表值的未确知数分析法。
7. 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。
8. The representative of China responded that products certified by bodies recognized by China would require no additional conformity assessment procedures in China, except for random sampling of said products.
   中国代表答复表示，对经中国承认的机构认证的商品，除随机抽样外，不需再进行合格评定。
9. 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；
10. 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。
11. The Long 'an area was chose as representative of the southwest of Guangxi. Survey route and sampling spots and soil profiles were determined according to strata, landform and type of soils.
    以隆安县为桂西南代表，根据地层、地形、土类等确定调查路线和采样点，挖掘土壤剖面，采集B层土壤，同一地层采集多个样品充分混合，以风干土混合样进行分析。
12. 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。
13. Through a series of verification, it has been proved that the representative samples can be obtained from manual sampling.
    一系列检验证明，人工采样可以获得有代表性的样品。
14. The measurements of indoor radon concentration in representative dwellings in Shenyang City were made by CSR detectors, and the results were compared with those obtained by the grab sampling technique.
    简述用CSR固体核径迹法测量沈阳市室内氡浓度，并与抓取采样瞬时法的测量结果进行了比较。
15. The study selected Urumqi City 4 representative path for monitoring points, for the TSP consecutive year low of the sampling and TSP and the lead for analysis.
    本研究选定乌鲁木齐市的4条具有代表性的道路为监测点，对低空下的TSP连续进行一年的取样，并对TSP及其中的铅进行分析。
16. If the monitoring station has good representative, it will hare to follow the principle of the random sampling.
    为使监测点具有良好的代表性，必须遵循随机抽样的原则。
17. 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。
18. Firstly, representative testing samples are gathered by stratified random sampling method.
    首先，采用分层随机抽样方法选择典型的、有代表性的测试样本。
19. 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。
20. 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。
21. Building the foundation of the analysis on a representative model of social networks with such multiple structural properties, we study the effects of different sampling methods on multiple properties.
    在此基础上选取一个具有多重结构特征的社会网络典型模型，研究了不同的抽样方法对网络多重结构特征的影响。
22. This thesis studied four representative Bayer image restructuring methods ( separation, direct merge, weighted sampling and filtering methods).
    本文对四种常见的贝尔模板图像的结构调整方法（奇偶分离、简单合并、加权采样和滤波采样）进行了分析和研究。
23. At each visit, examination of carcasses had been performed to assess the stage of decomposition. Representative samples ( dead and still alive) of different life stages have been collected. Environmental variables such as ambient temperature and relative humidity were recorded during each sampling. 3.
    在每次观察中，检查尸体的腐败阶段，采集不同发育阶段的有代表性的样本（死的和活着的样本），并记录温度和相对湿度等环境变量。

noun

1. the population is divided into subpopulations (strata) and random samples are taken of each stratum

   Synonym:    stratified samplingproportional sampling