“Mare Cognitum”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	Mare Cognitum
释义	天文学词汇手册 Mare Cognitum 知海
随便看	electron plasma wave electron-positron collider electron-positron collision electron-positron pair annihilation electron-positron pair creation electron-positron pair creation electron probe microanalysis（EPM） electron probe microanalyzer electron probe X-ray microanalysis (EPMA) electron pulse chamber electron radiation electron radiography electron removal electron ring accelerator electron scattering electron screening electron self-aquilibration time electron shell electron shell electron shower electron spectroscopy electron spectroscopy electron spectroscopy for chemical analysis (ESCA) electron spectroscopy for chemical analysis（ESCA） electron spectrum