您要查找的是不是:
- 物理收发信号PLS Physical Medium Signaling sublayer
- 层layer
- 船舶是否安装了主无线电收发机,并包含以海难频率收发信号的设备。Is vessel fitted with a main transceiver including the facility to transmit and receive on RT distress frequency?
- 物理physics
- 信号signal
- mtp2层使用原语与上面的网络层和下面的物理层进行交互。The MTP2 layer uses primitives to interact with the network layer above it and the physical layer below it.
- 一层layer
- 收发and dispatch
- 多层multilayer
- 物理层媒physical layer
- 数字信号digital signal
- 物理的physical
- 模拟信号analog signals
- 单层monolayer
- 收发器transceiver
- 地球物理physical geography
- 三层three-layer
- 数字信号处理digital signal processing
- 信号发生器signal generator
- 第一层first floor