Each gold grain is composed of many crystals (multi-crystal form) and has a higher purity.
球粒均由多晶体组成，且成色极高。
Cheers and confetti filled New York's Times Square when the traditional midnight drop of a multi-colored crystal ball signaled the start of 2010.
在纽约时代广场，作为迎接新年的传统仪式，五光十色的水晶球于零点时分准时降落，欢呼声与碎花纸在广场交相辉映。
The influence of the crystal orientation of the substrate on microstructure is investigated by multi layer laser cladding with the powder of nickel base superalloy.
采用镍基合金粉，研究了激光多层涂覆过程中基材晶体取向对涂层凝固组织的影响规律。
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