通信專業(yè)詞匯 D

D:Directional 指向性　
    D:Distortion 失真度
    D:Distributive 分布式
    DA:Distribution Amplifier 分配的大器
    DBA:Database Administrator數(shù)據(jù)庫管理者
    DBCSN:Database Control System Nucleus數(shù)據(jù)庫控制系統(tǒng)核心
    DBOS:Database Organizing System 數(shù)據(jù)庫組織系統(tǒng)
    DBSS:Database Security System 數(shù)據(jù)庫安全系統(tǒng)
    DC:Door Contacts大門傳感器
    DCC:Digital Communication Channel數(shù)字通信通路
    DCN:Data Communication Network 數(shù)據(jù)通信網(wǎng)
    DCP-I:Distributed Control Panel -Intelligent智能型分散控制器
    DCS:Distributed Control System集散型控制系統(tǒng)
    DDN:Digital Data Network 數(shù)字?jǐn)?shù)據(jù)網(wǎng)
    DDS:Direct Dignital Controller直接數(shù)字控制器
    DDW:Data Describing Word 數(shù)據(jù)描述字
     DECT:Digital Enhanced Cordless Telecommunication增強(qiáng)數(shù)字無繩通訊
    DFB:Distributed Feedback 分布反饋
    DID:Direct Inward Dialing 直接中繼方式，呼入直撥到分機(jī)用戶
    DLC:Data Link Control Layer 數(shù)據(jù)鏈路層
    DLI:DECT Line Interface
    DODI:Direct Outward Dialing One 一次撥號音
    DPH:DECT Phone
    DRC:Directional Response Cahracteristics 指向性響應(yīng)
    DS:Direct Sound 直正聲
    DSP:Digital signal Processing 數(shù)字信號處理
    DSS：Deiision Support System 決策支持系統(tǒng)
    DTMF:Dual Tone Multi-Frequency 雙音多頻
    DTS:Dual -Technology Sensor 雙鑒傳感器
    DWDM:Dense Wave-length Division Multiplexing 密集波分復(fù)用
    DXC:Digital Cross-Connect 數(shù)字交叉連接