“Lower Cambrian”的概念、定义、翻译、参考文献-科学参考

单词	Lower Cambrian
释义	Lower Cambrian [`lō·ǝr `kam·brē·ǝn] ^GEOLOGY The earliest epoch of the Cambrian period of geologic time, ending about 540,000,000 years ago.
随便看	nozzle throat area nozzle thrust coefficient nozzle vane Np NP-complete problem n-pentane N-phenylanthranilic acid N-phenylglycine N-phenylmorpholine N-phenylpiperazine npin transistor N-plus-one address instruction npnp diode npnp transistor npn semiconductor npn transistor NPO-body n-propyl acetate n-propylamine n-propyl furoate n-propyl mercaptan N-propyl nitrate np semiconductor NPSH NPX

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。