“indication sign”的概念、定义、翻译、参考文献-科学参考

单词	indication sign
释义	indication sign Encyclopedia 工学道路交通标志释 indication sign指示标志交通标志中主要标志的一种。用以指示车辆和行人按规定方向、地点行驶。工学主动补光标识释 indication sign指示标识指示车辆和行人按规定方向、地点行驶的标识。
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