“SA（selective availability）”概念、定义、翻译-科学时代

单词	SA（selective availability）
释义	测绘学词汇手册 SA（selective availability）选择可用性；SA政策
随便看	electropositive atom electropositive element electropositivity electroprobe electroprobe electropsychrometer electropult electro-pump electropuncture electropuncture therapy electropyrometer electroquartz electroradioimmunoassay electroreceptive fish electroreceptive organ electroreceptor electrorefining electrorefining electroreflectance electroresponse electroretinogram (ERG) electroretinogram（ERG） electroretinograph electroretinograph electroretinography

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。