英语词汇“directory lookup system”的读音、翻译、释义、用法及例句-语文网

词汇	directory lookup system
释义	directory lookup system 目录检查系统（=DLS）集成声音和数位开关系统中的一种设施，提供给专业操作员对组织好的目录进行更新和修正并产生硬拷贝电话目录。它利用密码存取系统，以保证系统的安全性。
随便看	stone deaf play on words play out playpen playroom play safe play sb.along playschool play second fiddle play suit playsuit play the card play the fool play the game play the giddy goat play the market play the mischief with play the percentages play the stock market plaything playtime play to the gallery play truant play up play up to

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