原文 stringlengths 1 149 ⌀ | 译文 stringlengths 1 99 |
|---|---|
quantizing | 量化 |
decision value | 判决值 |
compaanding law | 压扩律 |
primary group | 一次群 |
secondary group | 二次群 |
code rate justification | 码速调整 |
regeneration and repetition | 再生中继 |
timing jitter | 定时抖动 |
local telephone network | 地区电话网 |
railway local telephone | 铁路地区电话 |
single-office system | 单局制 |
multi-office system | 多局制 |
branch telephone office | 分电话所 |
central telephone office | 中心电话所 |
tandem telephone office | 汇接电话所 |
minor telephone office | 支电话所 |
manual telephone office | 人工电话所 |
local telephone switching system | 地区电话交换机 |
magneto telephone switch board | 磁石电话交换机 |
common battery telephone switch board | 共电电话交换机 |
step-by-step telephone switching system | 步进制电话交换机 |
crossbar telephone switching system | 纵横制电话交换机 |
electronic telephone switching system | 电子电话交换机 |
stored program controlled telephone switching system | 程控电话交换机 |
register | 记发器 |
code sender | 发码器 |
decoder | 译码器 |
marker | 标志器 |
direct plug-in subscriber | 直插用户 |
limited subscriber | 限制用户 |
special subscriber | 特种用户 |
distant subscriber | 远距用户 |
interposition trunk | 台间联络线 or 座席间中继线 |
inter office through trunk | 局间直通中继方式 |
calling subscriber demandeur | 主叫控制复原方式 |
called subscriber release | 被叫控制复原方式 |
called and calling subscriber release | 互不控制复原方式 |
division communication | 区段通信 |
interstation telephone | 中间站公务电话 or 各站电话 |
train dispatching telephone | 列车调度电话 |
freight dispatching telephone | 货运调度电话 |
power dispatching telephone | 电力调度电话 |
interstation train operation telephone or blocking telephone | 站间行车电话 or 闭塞电话 |
track maintenance telephone | 养路电话 |
track-side telephone | 区间电话 |
buidge and tunnel guarder telephone | 桥隧守护电话 |
track-side telephone switching device | 区间电话转接机 |
tarty-line automatic telephone | 共线自动电话 |
VF selective calling | 音频选叫 |
general calling | 全呼 |
group calling | 组呼 |
individual calling | 单呼 |
dispatching telephone control board with VF selective calling | 音选调度电话总机 |
dispatching telephone subset with VF selective calling | 音选调度电话分机 |
tandem distributor for dispatching telephone with FV selective calling | 音选调度电话汇接分配器 or 调度分配器 |
selective calling and talking box for dispatching office | 调度所选叫通话箱 |
tarty-line telephone control board with VF silective calling | 音选同线电话总机 |
praty-line telephone distributor for VF selective calling | 音选同线电话分配器 |
party-line telephone subset with VF selective calling | 音选同线电话分机 |
two-way repeater for VF selective calling or two-way repeater | 音选双向增音机 or 双向增音机 |
bridging filter for dispatching telephone with VF selective calling | 音选调度电话滤波器 |
command telephone control board | 指挥电话总机 |
train out report telegraph | 列车确报电报 |
station-yard communication | 站场通信 |
railway station telephone | 铁路站内电话 |
switchman's telephone | 扳道电话 |
concentrated telephone unit | 电话集中器 |
control set for sound amplifying in yard | 扩音转接机 |
speaking post in yard | 扩音柱 |
optical fiber | 光纤 |
single-mode optical fiber | 单模光纤 |
graded index multimode optical fiber | 多模渐变型光纤 |
core diameter | 芯径 |
cladding diameter | 包层直径 |
coating | 被覆层 |
refrative-index profile | 折射率分布 |
numerical aperture | 数值孔径 |
mode field diameter | 模场直径 |
core concentricity | 芯同心度 |
non-circularity of core | 芯不圆度 |
total internal reflection | 全反射 |
guided modes | 传导模 |
radiation modes | 辐射模 |
leaky modes | 漏泄模 |
attenuation constant | 衰减常数 |
chromatic dispersion constant | 色散常数 |
near field | 近场 |
far field | 远场 |
cut-off wavelength | 截止波长 |
bandwidth of an optical fiber | 光纤带宽 |
optical line terminal equipment | 光线路终端设备 |
average optical output power | 平均输出光功率 |
receiver sensitivity | 接收机灵敏度 |
receiver dynamic range | 接收机动态范围 |
operating wavelength | 工作波长 |
optical transmission mode | 光传输模式 |
optical source | 光源 |
laser | 激光器 |
light-emitting diode or LED | 发光二极管 |
optical detector | 光探测器 |
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