“penna”的概念、定义、翻译、参考文献-科学参考

单词	penna
释义	penna [`pen·ǝ] See <<contour feather>>
随便看	abrasion resistance abrasion-resistance index abrasion test abrasive abrasive belt abrasive blasting abrasive cloth abrasive cone abrasive disk abrasive drilling abrasive ground abrasive jet cleaning abrasive machining abrasiveness abrasive paper abrasive sand abreaction abreast milling abreuvoir Abridged Nautical Almanac Abrikosov-Suhl resonance abrupt abrupt junction ABS abs

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。