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Terms for subject Telecommunications containing 保持 | all forms | in specified order only
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业务保持能力service retainability
临时保持soft hold
人工保持manual hold
卫星位置保持station keeping
依赖保持dependence preservation
保持preserve
保持功能hold facility
保持开关maintain switch
保持性能hold facility
保持故障hold-over
保持时间holding period
音乐保持灯hold LED
充气管保持电压holdover voltage
保持电容器hold capacitor
保持电流用以保持通信连续性的微小直流sealing current
保持电离电路keep-alive circuit
保持能力retainability
保持范围retention range
保持跟踪电路hold and trace circuit
保持跟踪音hold and trace tone
音乐保持键holding key
音乐保持键hold key
保持音tone on hold
保持音holding tone
偏振保持光纤polarization-maintaining fiber
偏振保持光纤polarization preserving fiber
偏振保持光纤polarization holding fiber
偏振保持和吸收降低光纤polarization-maintaining and absorption-reducing optical fiber
光缆强度保持力、cable retention
具有通知的呼叫保持call hold with announcement
前向保持forward hold
协商保持consultation hold (PBX 三方通话功能)
呼叫保持业务call hold service
呼叫保持时间call holding time
平均保持时间mean holding time
平均保持时间average holding time
恶意呼叫保持malicious call hold-back
手机通话时使用扬声器或有线耳机，并使手机尽量与身体保持距离，能有效减少辐射Using your cell phone's speaker or connecting a wired headset - while keeping the handset away from your body - drastically reduces radio frequency exposure
抽样保持电路sample-and-hold circuit
接续保持能力connection retainability
无声保持silent hold
机械保持纵横接线器mechanical latching crossbar switch
正向保持forward hold
每次占用平均保持时间mean holding time per seizure
深度保持depthkeeping
电路保持时间circuit holding time
空格保持space hold
经度位置保持longitude station keeping
自动保持automatic holding
话务员保持manual hold
跟踪保持track hold
软保持soft hold
附有通知的呼叫保持call hold with announcement
音乐保持music on hold

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