Instead of using wings, the coleopter employed a circular extension serving as the outer part of the jet engine while helping the aircraft achieve level flight, as well as vertical ascent and landing.
环翼机没有尾翼，而是采用一个延伸的圆形作为外部引擎，帮助飞机完成水平飞行和垂直起飞降落。
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In short, relevance is king, says Monique Levy of Jupiter, which suggests that a vertical search-engine that successfully pairs a broad target market with a complicated topic can do well.