“precession in declination”概念、定义、翻译-科学时代

单词	precession in declination
释义	天文学词汇手册 precession in declination 赤纬岁差
随便看	ultrasonic nondestructive testing ultrasonic ozone spectrometer ultrasonic ozone spectrometer--ultrasonic ozone spectrometer（UOS） ultrasonic ozone spectrometer（UOS） ultrasonic particle monitor ultrasonic perforating ultrasonic physics ultrasonic probe ultrasonic processing ultrasonic processing ultrasonic pulse ultrasonic radiation ultrasonic radiator ultrasonic reflectoscope ultrasonic remote sensing ultrasonics ultrasonics ultrasonics ultrasonics ultrasonic scaler ultrasonic scaling apparatus ultrasonic scanner ultrasonic sensor ultrasonic solar spectrometer ultrasonic solar spectrometer--ultrasonic solar spectrometer（USS）

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。