“Ptolemy”概念、定义、翻译-科学时代

单词	Ptolemy
释义	历史学词汇手册 Ptolemy 托勒密王朝（公元前323—前30，埃及王朝）
随便看	cyhexatin cylinder cylinder cylinder cylinder cylinder cylinder cylinder cylinder cylinder cylinder cylinder cylinder address register cylinder block cylinder bore cylinder cut cylinder cut cylinder diaphragm cylinder dryer cylinder face cylinder feeder cylinder gap cylinder group supply cylinder-head-sector addressing cylinder-head-sector addressing (CHS addressing)

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。