Standby power supply to ensure that the power supply when the door is not working properly, you should configure the standby power supply.

备用电源可以保证电源工作时自动门不当，应配置备用电源。

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Standby equipment standby power supply.

备用设备、备用电源。

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Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.

以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。

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Introduction of this newly designed "normally-off" memory circuit with no passes for current to leak into cuts leak current to zero in both operation and standby without any specific power supply management.

ENGADGET: Toshiba goes perpendicular to solve MRAM's power issues, rethink cache memory