... 特高频全向信标与坦康组成的导航系统 VORTAC (VOR and TACAN system) 涡源 vortex source 特高频全向信标测试信号 VOT (VOR Test Signal) ...
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In this paper, the effect of compression does not be treated with PrandtI-Glauert's transformation, bat directly treated with compressible source (sink) and vortex.
压缩性的影响本文不采用P—G转换，而是直接使用可压缩空间后掠马蹄涡和源(汇)。
The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions.
螺旋桨表面和它的尾涡面离散为四边形双曲面元，每个面元上布置等强度偶极子和源汇分布。
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