“猎户座大星云”的概念、定义、翻译、参考文献-科学参考

单词	猎户座大星云
释义	猎户座大星云 Encyclopedia 理学发射星云释 Orion nebula猎户座大星云位于猎户座的发射星云。用肉眼观察，猎户座中构成“宝剑”的有三颗星，中间一颗是较模糊的亮斑，它不是单颗星，而是一个星云，即猎户座大星云（星表编号为M42和NGC1976）。
随便看	materials emissivity measurement materials examination of document materials for 3D cell culture materials for air pollutant treatment materials for civil engineering reinforcement and renovation materials for clinical diagnosis materials for control-release of pesticide materials for corrosion maintenance or repair materials for energy application materials for high power laser frequency conversion materials for low power laser frequency conversion materials for photocon-ductive detectors materials for photodetectors materials for photovoltaic detectors materials for protection of tritium permeation materials for pyroelectric detectors Materials for Teaching of Chinese as a Foreign/Second Language materials for ultrashort pulses laser frequency conversion materials genome materials handling equipment materials informatics materials kinetics simulation materials metrology materials modeling materials of additive manufacturing

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。