This requires every one of ours must master the technology of GPS's positioning to survey and draw workers overall and correctly, for the better one serves for national economic construction.

这就要求我们的每一位测绘工作者必须全面正确地掌握GPS定位技术，以便更好的为国民经济建设服务。

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Objective To solve the problem of missing data existing in the household health survey and draw valid inferences.

目的解决居民健康调查数据中存在的数据缺失问题，充分利用所采集到的数据，得出更有效的统计推断。

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At the time of standardizing the organization, we stress on survey and draw, design and produce high-efficiency, high-strength, and high-accuracy products according to customers' requirements.

在组织标准化的同时，重点依照用户的技术要求测绘、设计，生产高效率、高强度、高精渡过滤器。

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Press Ganey admits that survey sample sizes sometimes are too small and says a minimum of 30 responses for an ER is necessary to draw meaningful conclusions from its data.

FORBES: Why Rating Your Doctor Is Bad For Your Health