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

单词	active fill-in luminous sign
释义	active fill-in luminous sign Encyclopedia 工学主动补光标识释 active fill-in luminous sign主动补光标识在反光膜型被动发光标识基础上增加外部照明装置的公路交通标识。向交通参与者传递交通特定信息，用于管理交通、保障公路交通安全。
随便看	topological configuration topological conjugacy topological conjugacy map topological conjugate mapping topological consequence topological conservation law topological constraint topological convergence topological criterion topological cross-section topological cube topological current topological cycle topological defect topological defects topological definition topological degree topological-differential invariant topological dimension topological dimension of Lebesgue measurable set topological direct sum topological disc topological disorder topological division ring topological divisor

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。