incomplete survey

基本解释

Based on incomplete survey, until 1990, there are totally 628 accidents in pipelines in our country during nearly 20 years.
据不完全统计，截至1990年，我国仅输油管道在近20年时间里，共发生大小事故628次。
Researchers often come across the problem of incomplete post-stratification of known marginal counts with unknown cell counts while using multiple classified estimates to make market survey.
在使用多个分类变量对样本进行交叉事后分层时，经常面临边缘总值已知、格子总值未知的不完全事后分层问题。

Bottom line, the BLS gets just more than half the surveys back before the end of each month, and relies on this incomplete survey to come up with its initial monthly jobs report .
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According to Makovsky client Beyond.com, which conducted a survey among 1700 job seekers and human resources directors, poor communications — including incomplete or confusing job descriptions — often prevent human resource officials from identifying viable candidates, and therefore loads of jobs go unfilled.
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