羽志 风羽 桨叶的曲线 改变车叶螺距 潜望镜引起的微波 羽状回波回波箱的回波
The microwave feather-shaped echo caused by the change of the curve of the feather blade of the Yuzhi wind feather blade periscope and the pitch of the blade is the echo of the echo box
以上为机器翻译结果，长、整句建议使用 人工翻译 。