The optics are great, it's got infrared technology, and there's even a backup battery when the power goes out.
镜头很棒还有内置红外线技术而且还附带备用电池， 停电时也能运作。
| 单词 | Backup battery |
| 释义 |
Backup battery
原声例句
生活大爆炸 第6季 The optics are great, it's got infrared technology, and there's even a backup battery when the power goes out. 镜头很棒还有内置红外线技术而且还附带备用电池， 停电时也能运作。 电台实验室 Some of the medical equipment, they have backup batteries. 有些医疗设备有备用电池。 Veritasium真理元素 It's not even connected to a light switch but it does have a backup battery and generator. - 它甚至没有连接到电灯开关，但它确实有一个备用电池和发电机。
中文百科
后备电池后备电池（Backup battery）是指辅助电源的电池，通常为直流电，当主要电力供应用尽时或停止时，就会暂时用它们来提供电力。 一般采用后备电池的电子产品设备，通常都是直接从可持续的交流电（AC）或直流电（DC）取电。备份电池只有在电力出现问题或中断时，才提供电力给电路。否则电池会从同一主要电路上充电。
英语百科
Backup battery 後备电池A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may be primary cells; rechargeable backup batteries are kept charged by the prime power supply. |
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