representative sampling的例句大全

requirements for representative sampling of uranyl nitrate solutions for the determination of uranium concentration.

用于铀含量测定的铀硝酸溶液典型样品的要求

In order to reduce the effect of sampling bias in qualitative and quantitative results, it is necessary composition of the sample used be representative of the batch of drugs being examined.

为了降低取样时偏差对定性和定量分析结果的影响，采用代表每一批药品样品用于检验，这一点十分重要。

Quantitative Inspection Method of Fitness of Sampling Results as Representative of Plots in Crop Filed Experiments

作物田间小区试验采样观测结果代表性的定量检验方法

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。

Different sampling mode and processing technology should be taken according to different sources and the representative of sample and the samples analysis optimum effect should be insured. At the same time, this paper analyzed season nature and stability of atmosphere granule sources.

根据各种排放源类的不同，须采取不同的采样方式和处理技术，确保样品的代表性和样品分析的最佳效果，同时对颗粒物污染源排放的季节性和季节稳定性作了特征分析。

It is necessary to have an equi-speed sampling for getting a representative soot sample from flue.

为了从烟道中取得有代表性的烟尘样品，需等速采样。

Purpose To solve the problem of sampling within household in resident health survey and generate a representative sample.

目的解决居民健康调查中入户后的抽样问题，产生代表性较好的研究样本。

the row sampling transformation is also useful during package development for creating a small but representative dataset.

在包开发过程中，也可以使用行抽样转换来创建一个小但具有代表性的数据集。

The sampling procedure used to obtain the sample is intended to be representative of the batch.

用于获得样品的取样程序，是用来反映批次的。

Methods An equal-sized stratified multi-stage randomly sampling design was applied to obtain three provincially representative sample groups consisted of 720 Guangdong residents each, aged at 12,35-44 and 65-74 years old respectively, with a gender ratio of half to half.

方法采用多阶段分层等容量随机抽样的方法，抽取广东省12岁、35~44岁、65~74岁城乡常住人口各720人，男女各半。