“crystal hardness”的概念、定义、翻译、参考文献-科学参考

单词	crystal hardness
释义	crystal hardness Encyclopedia 理学晶体硬度释 crystal hardness晶体硬度晶体局部抵抗硬物压入其表面的能力，比较各种晶体材料软硬的指标。
随便看	orientation effect orientation fluctuation orientation force orientation homology class orientation manifold orientation of a manifold orientation of a simplex orientation of a space orientation of a surface orientation of reference ellipsoid orientation parameter orientation phase orientation polarization orientation-preserving orientation-preserving automorphism orientation-preserving isomorphism orientation-preserving mapping orientation quantization orientation reaction orientation-reversing orientation-reversing chain orientation-reversing loop orientation-reversing mapping orientation selectivity orientation sheaf

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。