Carrion crow: a common European crow ( Corvus corone) having glossy black plumage. 小嘴乌鸦:一种普通的欧洲乌鸦(小嘴乌鸦),有光滑的黑色羽毛。
A sudden silence fell upon the crowd. carrion crow: a common European crow ( Corvus corone) having glossy black plumage. 突然那乌黑黑的人层变做了哑噤。小嘴乌鸦:一种普通的欧洲乌鸦(小嘴乌鸦),有光滑的黑色羽毛。
This paper presents new numerical calculation formulas for equations of transmission line considering skin effect and corone. 本文推导了在考虑导线、大地的表面效应和导线电晕作用下的输电线方程的数值计算公式。