英语词汇“national information system”的翻译、意思、用法、释义-英汉汉英双解词典

单词	national information system
释义	national information system 国家信息系统
随便看	arc length coefficient arc length constraint arc length control arc length coordinate arc length increment method Arc Length Measuring Method arc-length method Arc length of contact arc length of meridian quadrant arclength parameterization arc-length parameterization arc-length parametrical curves arc Length Tool arcless arcless breaking arclet arclight arc light spectrum arclike arc-like arc like reflection arc-like roof arc line arc line control method arc lines