“M star”的概念、定义、翻译、参考文献-科学参考

单词	M star
释义	M star [`em ´stär] ^ASTRONOMY A spectral classification for a star whose spectrum is characterized by the presence of titanium oxide bands; M stars have surface temperatures of 3000 K for giants and 3400 K for dwarfs.
随便看	active sludge active solar system active solid active sonar active sound cancellation active sound control active substrate active Sun active system active tracking system active transducer active transport active vibration suppression active volcano active voltage active workings activity activity chart activity coefficient activity duration activity level activity ratio activity sampling activity sequence method activity series

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。