注：取样时期为烟叶的终烤期（根箱），D为直径（下同）。
Note: Sampling at the end of curing (in root boxes), D stands for diameter (the same below).
微根管观测精度主要取决于微根管安装的质量和数量、微根管取样间隔期和取样数量、微根管图像分析技术等。
The factors affecting fine root measurement and its precision mainly included the quality and quantity of tube installation, sampling interval and quantity, and analysis technique of images, etc.
根据青海钾肥厂一期工程盐田1990至1995年光卤石池的取样分析资料，对盐田生产的影响因素作了分析，有针对性地提出了建立微机数据观测网络、管理模型及盐田建设与管理方面的建议。
The analysis data of the samples taken from the salina of the first phase project in Qinghar Potash Fertilizer Plant during 1990to 1995 was the important base of the factors analysis.
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