“Tucana”的概念、定义、翻译、参考文献-科学参考

单词	Tucana
释义	Tucana [tü`kä·nǝ] ^ASTRONOMY A constellation in the southern hemisphere; right ascension 23 hours, declination 60° south. Also known as Toucan.
随便看	sigma hyperon sigma-minus hyperonic atom sigma phase sigma pile sigma ring sigmaspire sigma-T sigmatron sigmatropic shift sigmoid sigmoidal dune sigmoidal fold sigmoid colon sigmoid distortion sigmoiditis sigmoidoscope sign signage signal signal area signal bias signal carrier signal center signal channel signal conditioning

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。