直接長途撥號網(wǎng) direct distance dial network
直接分配 direct distribution
直接呼叫 direct call
直接檢測 direct detection
直接接入 direct access
直接耦合放大器 direct-coupled amplifier
直接調(diào)頻 direct frequency modulation
直接序列擴頻 direct sequence spread spectrum (DS)
直流/直流變換器 DC/DC converter
直流放大器 DC amplifier
直同連接延時 through-connection delay
指配頻帶 assigned band
指配頻率 assigned frequency
指數(shù)分布 exponential distribution
指數(shù)分布隨機變量 exponential random variable
質(zhì)量保證 quality assurance (QA)
質(zhì)量測試 quality test
質(zhì)量管理 quality management
質(zhì)量監(jiān)督 quality surveillance
質(zhì)量控制 quality control, mass control
質(zhì)量體系 quality system
智能 intelligence
智能控制 intelligent control
智能網(wǎng) intelligent network (IN)
置亂 scramble
置信度 confidence
中波傳輸 medium wave propagation
中和 neutralization
中繼器 repeater
中頻 intermediate frequency
中頻干擾 intermediate frequency jamming (interference)
中頻抑制比 intermediate frequency rejection ratio
中心輻射 center radiation
中心頻率 center frequency
中央控制臺 central control post
終端 terminal
終端不平衡電壓 asymmetrical terminal voltage
終端平衡電壓 symmetrical terminal voltage
終端設(shè)備 terminal equipment (TE)
終端適配功能 terminal adapter (TA)
終端透明度 terminal transparency
終端網(wǎng)絡(luò) terminating network
終端移動無線局 terminal mobile services switching center
終端移動性 terminal mobility
終結(jié)點 destination node
終止電壓 end voltage (cut-off voltage)
重復(fù)碼 repetition code
重建樣值 reconstructed sample
重置規(guī)程 reset procedure
重置性 resettability
周期 cycle
周期（衛(wèi)星的） period (of a satellite)
周期檢定 periodic vertification
啁啾 chirp
主瓣 main lobe
主波束寬度 principle half-power beamwidths
主呼線識別提供 calling line identification presentation
主呼線識別限制 calling line identification restriction (CLIR)
主交換機 host change
主控站 main control station
主鐘 master clock
助聽器 audiphone
貯存壽命 storage life
駐波 standing wave
駐波保護電路 standing wave protection ciruit
駐波比 standing wave ratio
駐極體 electret
駐極體傳聲器 electret microphone
專權(quán)（同步網(wǎng)） despotic (synchronized) network
專線 private line, dedicated line
專用集成電路 application specific integrated circuit (ASIC)
專用控制信道 dedicated channel
專用數(shù)據(jù)網(wǎng) private data network
專用線 dedicated line
專用線路 tie line
專用小交換機 private branch exchange (PBX)
專用信道 dedicated channel
專用移動通信系統(tǒng) private mobile radio system
專用自動小交換機 private automatic branch exchange (PABX)
轉(zhuǎn)發(fā)啟動抗擾性 repeating attack rejection
轉(zhuǎn)發(fā)啟動靈敏度 repeating attack sensitivity
轉(zhuǎn)發(fā)器 repeater
轉(zhuǎn)發(fā)調(diào)制靈敏度 repeating modulation sensitivity
轉(zhuǎn)發(fā)音頻失真 repeating distortion
裝置連線阻抗 installation wiring impedance
準傳輸集群 quasi-peak value
準峰值 quasi-peak value
準峰值電壓表 quasi-peak voltmeter
準峰值電壓表的脈沖響應(yīng)特征
pulse response characteristic of a quasi-peak voltmetre
準峰值檢波器 quasi-peak detector
準脈動躁聲 quasi-impulsive noise
準確度 accuracy
準同步 quasi-synchronous
濁音 voiced sounds
姿態(tài)穩(wěn)定衛(wèi)星 attitude-stabilized satellite
資用功率 available power
子層 sublayer