The tugboat could draw extra power from the battery when full-power surges were needed.
当需要全功率激增时，拖船可以从电池获得额外的电力。
When extra power is required, the flywheel is connected to the car's rear wheels.
当需要额外动力时，飞轮会连接上汽车的后轮。
We can also use them in this device, where they need a little extra power to make hydrogen gas.
我们的试验就利用这种细菌，但是需要额外施加少量的电能，才能产生氢气。
Since gas provides the extra power needed when demand rises, the gas price sets the electricity price.
因为天然气在需求提升的时候提供了额外的能源，所以天然气的价格决定了电价。
Little rockets are fastened to the fuselage and are giving the plane extra power to take-off.
小型火箭固定在机身上，为飞机在起飞时提供额外的动力。
Its stable and even discharge makes the ballast resistor smaller which reduces extra power consumption.
其放电均匀稳定，可减小限流电阻值，降低外电路电功损耗。
It is always a good idea to keep a lot of necessary supplies in the home even before winter begins. These supplies include food, medicine, clean water, and extra power supplies.
在冬天来临之前，准备大量的必需物品总是个不错的想法，这些东西包括食物、药品、干净水和额外的电源。
The tugboat could draw extra power from the battery when full-power surges were needed, and turn its diesel engines off altogether when it was idle, allowing the battery to power other equipment.
在需要的功率激增时，拖船可以从电池获得额外的电力；当它闲置时，可将其柴油发动机关闭，用电池为其它设备供电。
The technique transfers the offset voltage from the output to other parts of the differential amplifier and can greatly reduce the input-referred offset voltage without extra power consumption.
这种技术在不需要增加功耗的基础上，通过把输出端的失调电压转移到差分放大器的其他节点，从而达到减小输入参考的失调电压的目的。
It also features the XP extra-power device that increases lifting capacity at the expense of speed.
且该产品以XP额外力量装置为特色，在牺牲速度的前提下可增加起举重量。
It also features the XP extra-power device that increases lifting capacity at the expense of speed.
且该产品以XP额外力量装置为特色，在牺牲速度的前提下可增加起举重量。
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