“平均历元”概念、定义、翻译-科学时代

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。

单词	平均历元
释义	天文学词汇手册平均历元 mean epoch
随便看	electroslag electroslag welder electrosleep electrosol electrosorption electrospark machining electrostatic electrostatic accelerator electrostatic accelerator electrostatic accelerator electrostatic accumulation electrostatic agglomeration in space electrostatically suspended accelerometer electrostatically suspended gyroscope electrostatically suspended gyroscope electrostatical strong focused accelerator electrostatic attraction electrostatic beam analyzer electrostatic branch electrostatic carding electrostatic channel electrostatic cleaning electrostatic collector failed element monitor electrostatic control of dust source electrostatic decay half-life