... backup power source 备用电源; 后备电源 battery power source 蓄电池电源 blc power source 附面层控制系统动力源 ...
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这个机器人自带蓄电池电源。
配备了自己的高性能硅太阳能电池板，高效和低维护免维护蓄电池电源系统组件，可以保证正常连续的阴雨天，20天。
Equipped with its own high-performance silicon solar panels, efficient and low maintenance-free battery power supply system components, can guarantee the normal rainy days in a row for 20 days.
在19世纪晚期，欧洲和美国的电气化进程开始将蓄电池大规模用于电信技术、便携式电灯系统和后备电源。
The electrification of Europe and America in the late 19th century sparked the use of storage batteries for telegraphy, portable electric-lighting systems and back-up power.
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