“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。
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