“hard”的概念、定义、翻译、参考文献-科学参考

单词	hard
释义	hard [härd] ^MATERIALS Quality of a material that is compact, solid, and difficult to deform.
随便看	silica stone silicate silicate cement silicate cotton silicate grinding wheel silicate of soda silicate paint silication silicatization siliceous siliceous dust siliceous earth siliceous limestone siliceous ooze siliceous sediment siliceous shale siliceous sinter silicic silicic acid silicide silicide resistor silicification silicified wood silicinate siliclastic

科学参考收录了103327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。