Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/be29b3010305fdd00ec02542a3976ba0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 unnel例句_unnel英汉例句_unnel双解例句_贰靶汉英词典
Wind unnel tests were performed and on/off control law was adopted.Results show that the critical flutter peed of the model is increased by 13%. 试验结果表明，采用开关控制方法，可以使模型的颤振速度提高约13%25。