原文 stringlengths 1 149 ⌀ | 译文 stringlengths 1 99 |
|---|---|
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 |
optical connector | 光连接器 |
optical adapter | 光适配器 |
optical attenuator | 光衰减器 |
system margin | 系统余度 |
optical [regenerative] repeater | 光[再生]中继器 |
optical interface | 光接口 |
optical fiber distribution frame | 光纤分配器 |
optical fiber cable | 光缆 |
combined optical fiber cable | 综合光缆 |
tension member | 加强构件 |
sheath | 护套 |
buffer layer | 缓冲层 |
interstitial wire | 填充线 |
jelly filled type optical fiber cable | 充油型光缆 |
gas maintenance type optical fiber cable | 充气维护型光缆 |
optical fiber fusion splicing machine | 光纤融接机 |
optical fiber cutter | 光纤切断器 |
optical fiber stripper | 光纤剥除机 |
optical fiber cable joint closure | 光缆接头 |
protection sleeve | 保护套管 |
optical power meter | 光功率计 |
stabilized light source | 稳定光源 |
optical time domain reflectometer | 光时域反射仪 |
Rayleigh scattering | 瑞利散射 |
Fresnel reflection | 菲涅尔反射 |
backseattered signal | 反向反射信号 |
optical fiber splice loss | 光纤接续损耗 |
optical fiber communication system | 光纤通信系统 |
optical fiber digital line system | 光纤数字线路系统 |
optical regenerator section | 光再生[中继]段 |
optical digital section | 光数字段 |
optical line protection switching equipment | 光线路保护切换设备 |
supervision system | 监视系统 |
wavelength division multiplex | 波分复用 |
railway radio communication | 铁路无线通信 |
railway mobile communication | 铁路移动无线通信 |
relay radio communication for railway | 铁路无线电中继通信 |
inductive radio communication for railway | 铁路感应无线电通信 |
single side band communication | 单边带通信 |
simplex radio communication | 单工无线电通信 |
same-frequency simplex radio communication | 同频单工无线电通信 |
different-frequency simplex radio communication | 异频单工无线电通信 |
duplex radio communication | 双工无线电通信 |
semi-duplex radio communication | 半双工无线电通信 |
compatible simplex-duplex radio communication | 单双工兼容无线电通信 |
minimum available receiving level | 最小可用接受电平 |
minimum receiving field strength | 最小接收场强 |
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