日本的表面面积虽然不大，但是却延伸到很远。

Japan, though small in surface area, stretches far.

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在20世纪后半叶，其冬季的表面面积增加了。

And during the latter half of the 20th century, its winter surface area has increased.

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较少的表面面积意味着较少的阻力，相应地提高了燃油效率。

Less surface area means less drag, and less drag means more fuel efficiency. Kevin hand.

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