“点群”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

单词	点群
释义	点群 point group
随便看	gear shift shaft gear shift shaft bracket gear shift shaft spring gear shift sleeve gear shift sleeve position indicator gear shift tower gear side bearing gear side movement gears in mesh gear slide sleeve gear slotter gear-slotting cutter gear slotting machine gear sound testing machine gear spader gear speeder gear speed reducer gear spindle drive gear spinning pump gear-stage velocity ratio gear stand gear stock gear stocking cutter gear system gear teeth