在实际体质监测工作中，由于抽样调查技术或疏忽大意导致错误，或人为的编造等原因，会使报上来的数据产生可疑数据。
In practical monitoring, due to sampling error or negligence error or artificial compilation, etc, the reported statistics may contain some dubious data.
分层技术是遥感分层抽样调查与监测方法中的关键技术之一。
Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.
为了减轻麦蚜虫抽样调查的难度，提高调查的效率和准确性，设计了一套基于计算机视觉技术的蚜虫数量自动计数的新方法。
To improve efficiency and accuracy of the current estimation system for cereal aphids, a novel method based on computer vision technology was introduced.
该项抽样技术体现了分层抽样与交叉抽样的有机结合，有利于提高抽样调查的估计效率。
This sampling technique shows the organic combination of the delaminated sampling and the intercrossing sampling, which is in favor of raising the estimation efficiency of the sampling survey.
样本追加是抽样调查的现实需求，也是一个抽样技术难题。
Sample complementing is the practical demand of sampling survey, and its also a difficult problem in sampling technology.
包括市场调查与预测的基础概念、抽样调查方法、问卷设计技术、市场资料的收集方法、市场预测技术及市场调查与预测报告的撰写方法等。
The course includes the concept of market investigation and market prediction, sampling, questionnaire design, market data collection, market prediction method, and the final report writing.
包括市场调查与预测的基础概念、抽样调查方法、问卷设计技术、市场资料的收集方法、市场预测技术及市场调查与预测报告的撰写方法等。
The course includes the concept of market investigation and market prediction, sampling, questionnaire design, market data collection, market prediction method, and the final report writing.
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