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。
This circular curve shape is actually the extension of the hydraulic optimum section in hydraulics to the situation of considering ban stability.
该圆弧形曲线形状实际上是将水力学中的水力最佳断面推广到考虑边坡稳定的情况。
This circular curve shape is actually the extension of the hydraulic optimum section in hydraulics to the situation of considering bank stability.
该圆弧形曲线形状实际上是将水力学中的水力最佳断面推广到考虑边坡稳定的情况。
Though the conventional symmetric extension and circular convolution are applied, the experiments show that the border distortion still exists in the reconstructed signal.
传统方法一般用圆卷积和对称扩展方法来减弱边界扩展效应，但实验结果表明边界还存在失真。
The model USES the curved vortex elements on the circular arc as the basic discrete elements for trailed filaments and utilizes the free wake extension to form an adaptive far wake downstream.
该模型采用圆弧涡元作为基本涡元，并依据自由尾迹涡线确定远尾迹形状以使远尾迹更接近实际和自由。
The model USES the curved vortex elements on the circular arc as the basic discrete elements for trailed filaments and utilizes the free wake extension to form an adaptive far wake downstream.
该模型采用圆弧涡元作为基本涡元，并依据自由尾迹涡线确定远尾迹形状以使远尾迹更接近实际和自由。
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