“北美星云”的概念、定义、翻译、参考文献-科学参考

单词	北美星云
释义	北美星云 Encyclopedia 理学发射星云释 north American nebula北美星云位于天鹅座尾部的发射星云。《星云星团新总表》中的编号为NGC7000，因其形似北美洲大陆而得名。 Astronomy North America Nebula北美星云
随便看	complementary tissue complementary transformation complementary transistortransistor logic complementary triangle complementary trigonometric function complementation complementation rule complementation theorem complement chord complement control protein complement deficiency disease complement dependent cytotoxicity，CDC complemented complemented lattice complemented modular lattice complemented module complemented space complemented subspace complement element complementer complement event complement graph complement knot complement line complement module

科学参考收录了854744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。