“early-type spiral”的概念、定义、翻译、参考文献-科学参考

单词	early-type spiral
释义	early-type spiral [`ǝr·lē ¦tīp `spī·rǝl] ^ASTRONOMY A spiral galaxy with a large nuclear bulge and tightly wound arms.
随便看	sheet glass sheet grating sheet ice sheeting sheeting caps sheeting plane sheeting structure sheet joint sheet lightning sheet line sheet metal sheet-metal gage sheet-metal screw sheet mica sheet mineral sheet piling sheet plastic sheet polarizer sheet rubber sheet sand sheet sandstone sheet separation sheet silicate sheet spar sheet steel

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。