polished section meaning in Chinese

抛光磨片
抛光片；磨光片

Multi - hierarchical , multimeans , comprehensive and deepened research on the macrofractures , microfractures system and pores system features , capacity of cbm storage and osmosis , adsorption characteristic , as well as physical properties of surrounding rocks of coal reservoirs have been made . furthermore , classifying standard and identifying characteristics for fractures - pores system of low coal rank coal reservoirs in zhungaer basin has been put forward as well . in this process , some routine instrument are used , such as viewing coal mine scene and hand specimen , observing polished section and surface which are made from lump coal and powder coal samples , observing and image analyses under the common microscope ' s transmitted light , reflection light and fluorescence
通过矿井现场、镜下观察统计等常规手段，采用多种先进仪器和测试技术展开对煤储层的裂隙系统与孔隙系统发育特征、储渗性能、吸附特性及煤储层围岩物性特征的多层次、多手段分析，并综合室内外观测及前人成果，提出了煤储层裂隙与孔隙系统的划分标准与识别特征，分别从宏微观尺度、定性与定量层次对裂隙与孔隙系统特征及其与煤储层储渗性能关系的研究。