“topaz”的概念、定义、翻译、参考文献-科学参考

单词	topaz
释义	topaz Encyclopedia 工学宝石释 topaz托帕石由含氟和羟基的铝的硅酸盐组成的黄玉族宝石。曾经名为黄玉，但因为易与和田玉中黄色品种的传统名称相混淆，故其宝石学名称改为音译的托帕石。理学[岛状硅酸盐矿物]释 topaz黄玉岛状结构硅酸盐矿物。化学组成为Al2[SiO4]（F，OH）2，晶体属正交（斜方）晶系。又称黄晶。 Physics topaz黄玉｛矿｝，黄晶
随便看	rural organization rural outlets rural passenger transport rural people's commune rural planning rural planning survey rural plant landscape rural population policy rural postal service station rural poverty rural poverty theory rural poverty trap rural power structure rural power supply rural production-living-ecology space rural production waste rural projectionist rural property rights trading market rural public finance rural public goods rural public management rural public service facilities rural public space rural records rural reform

科学参考收录了854744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。