Then they fly out north for another couple of hours to drop off fuel at a fuel "cache" and then fly back again - and that's all before they can start to head out to us.
然后,他们又往北飞行数小时,去给一个加油站送燃料,随后返回——这些是飞往我们这里之前飞机要做的所有事情。
"On an aircraft of that size, even a slight reduction in fuel burn makes a big difference to overall cost," said Paul Sheridan, Head of Risk Advisory at Ascend.
“对于这么大的飞机,哪怕是减少一点儿燃油消耗,对成本控制的效果也是很明显的。”来自Asend风险咨询公司的头儿paul Sheridan如是说。
In theory microbial fuel cells can run on almost any kind of organic matter, says Chris Melhuish, head of the Bristol Robotics Laboratory, England.
英国布里斯托尔机器人实验室负责人Chris Melhuish说,微生物燃料电池在理论上几乎能在所有有机物上工作。
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