As well as the 2.0-litre that's expected to be fitted to the Mazda3, the Sky-G engine is expected to be produced in at least four other capacities;

只要2.0升这预计将安装在马自达3好，天空- G的发动机预计将至少在其他四个能力生产；

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Arthur C. Clarke gave us "zero-g" in his 1952 novel Islands in the Sky.

亚瑟C·克拉克在他1952年的小说《空中岛》中说道“零重力”。

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Membership will make it much easier for British scientists to propose experiments and to get access to facilities like a zero-G plane, which generates short periods of weightlessness by flying a series of parabolas in the sky.

BBC: Britain attracted to microgravity