Working theory of comprehensive transmissionplan is given according to practical situation of power supply system of electrified railway.
针对电气化铁道牵引供电系统的实际情况，给出了变电所信息综合传输方案的工作原理。
2
Recommendation G. 171 (1988) "Transmissionplan aspects of privately operated networks" deals mainly with calls wholly within a private network.
建议G . 171(1988年)“专用网传输规划情况”主要讨论完全在一个专用网内的呼叫。
3
The arduous workload and difficulty manifests in the establishment of huge database, and the parametric drawing of dozens of kinds of parts and components and 30 transmissionplan.