It is an important part of the complete Quality Assurance. Long before Nanjing began to pointing monitoring of the field soil-environment quality of basic fields.
南京市很早就开始对农田土壤环境质量进行定点监测，在实际工作中对监测布点、采样、实验室分析测试工作的质量保证和质量控制都做出了具体的规定，并进行了实践。
参考来源 - 农田土壤环境质量监测中的质量保证和质量控制体系研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It contains no field soil or aggregate whatsoever.
里面不含有任何园土或集料。
An instrument is designed for rapid measurement of temperature and moisture of soil in field soil.
为快速测量大田土壤温湿度，而设计的仪器，湿度测量采用电容法。
A brief review of the errors from mechanical mismatch of 'Spool Gage' commonly used in field soil strain measurement is made.
本文简要地评估了土力学现场测量中常用的连杆式应变传感器的力学匹配误差。
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