Through plenty of historical materials, from function of the origin of catapult, type of bow, balls of catapult and its skills, catapult martial skills are textual studied.

征引大量历史资料，从弹射溯源、弹弓的形制、弹弓的弹丸、弹弓的技法及弹弓的功用等几个方面对弹射武技予以考证论述，力图对弹射武技有一个较为全面的认。

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Equipped with these features, catapult and launch of UAV are the premise and guarantee of initiative realization of UAV electromagnetic catapult technology.

无人机弹射起飞具有的这些特点，是无人机率先实现电磁弹射的前提与保障。

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"Paleontologists are telling us every season they're coming with stones and bones that catapult us back into the nebulous past."

VOA: standard.2009.12.14

Despite less than gaudy stats, a Super Bowl victory would catapult Sanchez into Madison Avenue limelight.

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The sums are a fraction of what some hedge-fund titans make, but they catapult Messrs.

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Last year, Mexican authorities seized a catapult that was used to launch bundled drugs, Lopez said.

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