The improved antenna meets the requirements on beam and saves the feedingpower of satellite.
改进的天线，波束符合要求，可节省卫星馈电功率。
2
Numerous types of inverter are available, but not all are suitable for use when feedingpower back into the UK mains supply.
许多类型的变换器是通用的，但不是所有的适合使用，当能连回到英国的供应。
3
This paper is for introducing a main connection scheme and auto-switch manner of its back-up power source, which is with high reliability and suitable for feedingpower to important loads.