建立了取样管与沉积物接触的二维轴对称有限元模型。
A two-dimensional axisymmetric finite element model of sampling tube and sediments is built.
全套装备包括取样泵和2米的管。
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.
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