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adj.（金属或其他固体）多晶的
1、Lattice parameters are the important crystal structural parameters of polycrystalline materials.───晶胞参数是多晶材料晶体结构的重要参数。
2、The increase in average grain size of a polycrystalline material, for most materials, an elevated-temperature heat treatment is necessary.───在多晶体材料中晶粒平均尺寸的增加，对大多数材料来说，这需要在一定温度下进行热处理。
3、Polycrystalline silicon is an aggregation of small silicon crystals.───多晶硅是细小硅晶的集合体。
4、individual crystal in a polycrystalline metal or ceramic.───金属或陶瓷多晶体中的一个单独的小晶体。
5、Heating chamber is pivotal part of the polycrystalline silicon ingot production furnace.───加热室是多晶硅铸锭炉的关键部件之一。
6、Ophthalmic surgical blades (734) are manufactured from either a crystalline or polycrystalline material, preferably in the form of a wafer.───眼科手术刀片（734）是用优选为晶片形式的结晶或多晶材料制造的。
7、Ingot - A cylindrical solid made of polycrystalline or single crystal silicon from which wafers are cut .───研究人员目前正在扩展他们的工作，将单层石墨烯迁移到硅晶圆片上。
8、A drilling tool that uses polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.───一种钻井工具，利用聚晶金刚石复合片切削齿通过连续的刮擦运动去剪切岩石。
9、It's faced with polycrystalline diamond sintered from diamond powder. It has extremely high hardness, abrasion resistance and serving life.───它的表层为金刚石粉末烧结而成的多晶金刚石，具有极高硬度、耐磨性和工作寿命；