With the need for low cost, safe, and reliable ways to get to space, the concept of magnetic launch assist for space fight was described and the power supply requirement was analyzed.

针对航天发射低成本、安全可靠运输方式的需要，阐述分析了航天运载器磁悬浮发射概念及其能量供给需求。

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But the idea that countries would fight it out in space has so far been confined to science fiction.

不过，各国可以在太空作战的想法至今为止还仅限于科幻小说。

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Neighboring colonies fight each other regularly for food and nest space. These frequent brawls help keep ant Numbers in check.

为了食物和领地，邻近种群互相争斗，这些频繁发生的战斗帮助控制了蚂蚁的数量。

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"Whether it's the fight against international terrorism, whether it's cooperation in space, exchanges in health and ecological sphere;

VOA: standard.2010.05.07

St Mirren boast a superior goal difference to Killie, but MacPherson is frustrated that his side did not give themselves more breathing space in the fight against the drop.

BBC: St Mirren manager Gus MacPherson

Plants fight for space: ponga (silver tree fern), cabbage trees, manuka (tea tree), and pohutukawa (a coastal evergreen tree), which cling to the land at the sea's edge.

BBC: All at sea in New Zealand

If there's only one pocket, they're determined to fight for their space in it.

ENGADGET: Switched On: The Game Boy Micro pulls off the screen play