“covalent crystal”的概念、定义、翻译、参考文献-科学参考

单词	covalent crystal
释义	covalent crystal [kō`vā·lǝnt `krist·ǝl] ^{CRYSTALLOGRAPHY} A crystal held together by covalent bonds. Also known as valence crystal.
随便看	directly heated cathode direct material direct memory access direct motion direct nuclear reaction direct numerical control director director circle direct organization director-sight system director-type computer director-type fire control directory direct outward dialing direct pickup direct piezoelectricity direct plate exposure direct pointing direct point repeater direct positive direct-power generator direct printing direct process direct product direct proportion

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。