It is suggested that analytical quality control technique should be used in soil background survey.

建议在土壤背景值调查中试用分析质量控制。

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This paper elaborates the significance, method and main content of socioeconomic background survey in new period of time.

论述了新时期社会经济本底调查工作的意义、方法和调查的主要内容。

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The background survey methods and results of preoperational environmental radio activity around Qinshan NPP are introduced in this paper.

本文主要介绍秦山核电厂运行前的环境放射性本底调查的方法和结果，同时简要概述了运行中的环境监测计划。

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Another interesting finding from the survey can be found in some of the background questions in the survey, specifically one regarding the nature of real estate investments that these investors purchased in 2013.

FORBES: Survey Says Small-Time Investors Favor Buy and Hold over Flipping

The new map is a smart byproduct of the European Space Agency (Esa) telescope's main mission which is to survey the Cosmic Microwave Background, or CMB - a pervasive but faint glow of long-wavelength radiation that comes to us from the very edge of the observable Universe.

BBC: Planck telescope: A map of all the 'stuff' in the cosmos

The survey also includes information about the home background of pupils - with signs that homework had increased in all age groups, less reading materials were available in homes and 9 and 13 year olds were less likely to be watching six hours of television a day and more likely to be using a computer.

BBC: Handwriting