原文 stringlengths 1 149 ⌀ | 译文 stringlengths 1 99 |
|---|---|
toll junction line | 长途中继线 |
record [demand] working | 记录制 |
no-delay [demand] working | 立接制 |
calling signal | 呼叫信号 |
dialling tone | 拨号音 |
busy tone | 忙音 |
ring back tone | 回铃音 |
warning tone | 通知音 |
click | 喀音 |
high frequency section | 高频转接段 |
audio frequency section | 音频转接段 |
signal to low frequency interference rate | 低频干扰防卫度 |
] frequency offset | 频[率]偏[差 |
channel linearity | 通路线性 |
carrier channel connected to telephone line | 载波遥接话路 |
carrier adaptor for dispatching telephone | 载波调度电话中继器 |
pilot unattended repeater | 导频无人增音机 |
unattended repeater with ground temperature compensation and powerpassing | 地温折返无人增音机 unattended repeater with ground temperature compensation and powerfeed loop back地温通过无人增音机 |
intermediate line filter | 中间线路滤波器 |
basic group distribution frame | 基群配线架 |
supergroup distribution frame | 超群配线架 |
incoming equipment | 进局设备 |
trunk dispatchting telephone | 干线调度电话 |
dispatching telephone within railway administration | 局线调度电话 |
trunk conference telephone | 干线会议电话 |
telephone conference within railway adminidtration | 局线会议电话 |
conference telephone of full-distribution system | 全分配制会议电话 |
telephone conference of semi-distribution system | 半分配制会议电话 |
conference telephone central board | 会议电话总机 |
conference telephone tandem board | 会议电话汇接机 |
conference telephone subset | 会议电话分机 |
carrier frequency | 载频 |
pilot frequency | 导频 |
carrier leak | 载漏 |
pregroup | 前群 |
basic group | 基群 |
super group | 超群 |
master group | 主群 |
flat regulation | 平调 |
slope regulation | 斜调 |
carrier frequency synchronization | 载频同步 |
channel net loss | 通路净衰竭 |
carrier communication | 载波通信 |
open-wire communication | 明线通信 |
symmetrical cable communication | 对称电缆通信 |
coaxial cable communication | 同轴电缆通信 |
repeater station | 增音站 |
group through-connection station | 群转接站 |
terinal station | 终端站 |
carrier telephone terminal | 载波电话终端机 |
carrier telephone repeater | 载波电话增音机 |
attended repeater | 有人增音机 |
unatended repeater | 无人增音机 |
carrier supply system | 载供系统 |
automatic level regulating system | 自动电平调节系统 |
equalizing system | 均衡系统 |
remote power feeding system | 远供系统 |
service communication system | 业务通信系统 |
alarm system | 告警系统 |
sudio frequency terminating set | 音频终端装置 |
signaling equipment | 振铃器 |
group modulator | 群调制器 |
group demodulator | 群解调器 |
group amplifier | 群放大器 |
line amplifier | 线路放大器 |
carrier amplifier | 载频放大器 |
pilot amplifier | 导频放大器 |
regulating amplifier | 调节放大器 |
transmitting amplifier | 发信放大器 |
receiving amplifier | 收信放大器 |
master-oscillator | 主振器 |
ringing signal oscillator | 振铃信号振荡器 |
building-out network | 假线 |
artificial line | 仿真线 |
htbrid coil | 混合线圈 |
directional filter | 方向滤波器 |
line filter | 线路滤波器 |
crosstalk suppression filter | 串音抑制滤波器 |
lead-in rack | 引入架 |
test rack | 试验架 |
lead-in test rack | 引入试验架 |
psophometer | 杂音测试器 |
white noise test set | 白噪声测试器 |
level meter | 电平表 |
selective level meter | 选频电平表 |
channel basic noise | 通路固有杂音 |
busy hour crosstalk and noise | 忙时串杂音 |
line noise | 线路杂音 |
inter-system crosstalk | 制际串音 |
inter-channel crosstalk | 路际串音 |
channel frepuency characteristic | 通路频率特性 |
channel amplitude characteristic | 通路振幅特性 |
channel signal to crosstalk and noise ratio | 通路串杂音防卫度 |
channel singing margin | 通路振鸣边际 |
PCM terminal | 脉码调制终端机 |
digital multiplex equipment | 数字复接设备 |
code error tester | 误码测试仪 |
phase jitter tester | 相位抖动测量仪 |
pattern generator | 码型发生器 |
sample | 抽样 |
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