工程师们一直梦想缩短电池的充电时间。
ENGINEERS have long dreamed of shortening the time it takes to recharge batteries.
“美洲豹”标准推进系统是可提供2.5小时飞行时间的充电电池。
Puma's standard propulsion system comes equipped with rechargeable batteries with a listed flight time of 2.5 hours.
镍氢电池根据不同的因素有不同的充电时间，一般需要5 - 10小时才能将电池充满。
Note, NiMH batteries usually take like 5-10 hours to fully recharge depending on various factors.
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