“active luminous sign”的概念、定义、翻译、参考文献-科学参考

单词	active luminous sign
释义	active luminous sign Encyclopedia 工学公路交通标识释 active luminous sign主动发光标识中国国家标准GB5768-2009《道路交通标志与标线》中规定的主动发光形式的警示标识、指示标识、指路标识、禁令标识、辅助标识、施工防护等交通标识，以及自主研制的以LED为光源的交通标识类产品。又称LED发光交通标识
随便看	urban efficiency urban engineering geology urban engineering geophysical exploration urban entrepreneurialism urban environment Urban environmental management urban environmental protection urban environmental quality urban environment economy urban environment problems in China Urban Ethnic Work Regulations urban expansion urban expressway traffic control urban external transport system urban finance urban fire safety layout urban flood control urban flood intersecting ditch urban forest urban forest planning and design urban forestry urban freight transport system urban function urban functional urban function and type of urban function in China

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。