“secular variation”的概念、定义、翻译、参考文献-科学参考

单词	secular variation
释义	secular variation Astronomy secular variation长期变星
随便看	Eskimo Nebula Eskimos Eskisehir Esnault-Pelterie crater ESO ESO-MIDAS esophagal gland esophageal and gastric varices esophageal benign tumor esophageal disease esophageal electrocardiogram esophageal malignant tumor esophageal manometry esophageal obstruction esophageal pH-impedance monitoring esophageal pH monitoring esophageal ring esophageal spasm esophageal speech esophageal-tracheal combitube esophageal tuberculosis esophageal ulcer esophageal web esophagectasis esophagitis

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。