The aluminium body is 12% lighter than if built with steel.
用铝制作比用钢制作重量要轻12%。
The central body of the plane is made entirely of carbon composite material, which makes the plane lighter and more fuel efficient.
机身主体全部由碳合成材料制成,因此重量更轻,更加省油。
That means they can, according to Dr Gonzalez-Garcia, be used like X-rays passing through a human body, to pick out denser rocks from lighter ones.
根据加西亚博士的说法,这意味着微中子可以像穿过人体的X光一样,用于将密度较大的岩石和较轻的岩石区分开来。
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