Its ore minerals were systematically studied on the basis of thin section and polished section microscope observation and EPMA.
本文在详细的光、薄片鉴定和电子探针分析的基础上，首次对其矿石矿物进行了系统的研究。
The theory of measuring surface roughness by using light-section microscope is described, and a simple method to measure the Angle of complicated small-scale tool is introduced.
阐述了光切显微镜测量表面粗糙度的原理以及如何利用该原理测量小尺寸复杂刀具角度的方法。
Put a section of tissue under the microscope.
把组织的切片放在显微镜下。
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