Even a few percentage points matter, because fuel accounts for around three-quarters of the lifetime cost of a turbine.
区区几个百分点的差别却意义重大，因为燃料约占整个涡轮机寿命成本的四分之三。
We have to decide on how long a life of the reactor core we want and by lifetime we mean the time from when we start the reactor to the time that we need to re-fuel.
我们需要决定反应堆核心的一期有多长，寿命，我们指的是，我们开始反应堆的时间到，我们需要换料的时间之间。
For example, a 3d - printed metal airplane made of computer-designed, lightweight parts would consume less fuel during its lifetime of use.
例如，一个3d-印制金属飞机由计算机设计的，轻质部件将利用它的寿命期间消耗更少的燃料。
Automatically modulating the fan's rotational speed according to cooling requirement can not only reduce the power and fuel consumptions, but also reduce noise level and prolong the engine's lifetime.
根据冷却的实际需要自动调节风扇的转速，不仅可降低功率消耗、节省燃油，而且还可以达到降低噪声、延长发动机寿命等效果。
Automatically modulating the fan's rotational speed according to cooling requirement can not only reduce the power and fuel consumptions, but also reduce noise level and prolong the engine's lifetime.
根据冷却的实际需要自动调节风扇的转速，不仅可降低功率消耗、节省燃油，而且还可以达到降低噪声、延长发动机寿命等效果。
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