Like electric vehicles, the new taxi does not produce any emissions from its tailpipe but, unlike battery-electric cars, it will only take a few minutes to fill up from empty.
像电动汽车一样，新计程车不会产生任何尾气排放，但与电池动力汽车不同的是，它只需几分钟就能加满燃料。
To detect engrams, Hubbard adopted a battery-powered galvanometer with a needle dial wired to two empty tin cans.
为了探测记忆印痕，哈伯德采用了一种电池驱动的电流计，它有一个指针可调节，连接着两个空罐头盒。
The battery actually keeps back a reserve beyond "empty", to maintain the computer in sleep for a period of time.
而电池实际上是保持了一定电量而非真“空”，这样是为了维持本本能休眠一定的时间。
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