“trade cycle”的概念、定义、翻译、参考文献-科学参考

单词	trade cycle
释义	trade cycle 贸易循环贸易周期景气变动景气变动商业循环
随便看	photogrammetric refraction photogrammetric sketch photogrammetric stereo-camera photogrammetric technology photogrammetric triangulation photogrammetry photograph photograph album photograph collection photographer photographic photographic absorption coefficient photographic airplane photographic albedo photographically photographically catalyzed nucleation photographically recorded reading photographically reproduced reprint photographical sound recoder photographic altitude photographic apparatus photographic astrometry photographic astronomy photographic astrophotometry photographic astrospectroscopy

科学参考收录了1248194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。