“perfemic rock”的概念、定义、翻译、参考文献-科学参考

单词	perfemic rock
释义	perfemic rock [pǝr`fem·ik `räk] ^GEOLOGY An igneous rock in which the ratio of salicalic to femic minerals is less than 1:7.
随便看	B size BSR B stage B star B station B store B supply BS&W BT B Tauri B tectonite BTO B trace B+-tree B-tree Btu B-type star bu bubble bubble cap bubble-cap plate bubble-cap tray bubble cavitation bubble chamber bubble chart

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。