The increasing popularity of the scooter has aggravated the problem, providing more water vehicles to compete for the same space.

越来越受欢迎的滑板车加剧了这个问题，使更多水上交通工具来竞争同样的空间。

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While making significant contributions to space science, CubeSats may pose hazards to other space vehicles.

立方体卫星在对太空科学作出重大贡献的同时，也可能对其他太空飞行器造成危害。

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A scientist once said: "I have concluded that the earth is being visited by intelligently controlled vehicles from outer space."

一位科学家曾经说过：“我已经得出结论，来自外太空的智能控制飞行器正在访问地球。”

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This is a big change from earlier models where NASA led and controlled the development of space vehicles.

VOA: special.2010.04.28

The X-15 tested materials for space vehicles.

VOA: special.2010.07.07

After that,space station partners will rely on Russian and private launch vehicles to ferry supplies to the orbiter.

VOA: standard.2010.04.05

But that vision is under review, along with the space vehicles that would get them there.

BBC: Moon astronauts urge Mars mission

There have been a number of papers in the last decade on electrical charging of space vehicles.

FORBES: "Cloud Computing" of the Not-So-Virtual Sort

Our current programs and vehicles for exploring space have brought us far, and they have served us well.

CNN: Bush: 'It is time for America to take the next steps' in space