J-12 fighter is the first jet fighter designed and produced all by Chinese technology itself.

歼-12轻型战斗机是我国第一种完全依*本国技术力量进行设计和制造的喷气战斗机。

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What was the first jet?

第一架喷气式飞机是什么？

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This work must have been done at the first jet, for it has a certain spontaneity.

这幅作品带有某种自发性，它一定是出于一时冲动而完成的。

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The Dreamliner is the first private jet to use a lithium battery, according to Tsutomu Nishijima, a press officer for GS Yuasa.

CNN: U.S., other nations ground Dreamliners over fire risk

It is the first commercial jet built mostly from carbon-plastic fibres rather than conventional aluminium and steel, making it more lightweight, and therefore, fuel-efficient.

BBC: Is the Boeing Dreamliner safe?

That streak marked the first time in the jet age that two consecutive years passed without a death in a commercial airline crash.

ECONOMIST: Business travel