Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。
Other detection methods are based on the statistics of IP addresses and the length of data packets, but their detection accuracy declines rapidly under the IP spoofing attack.
另一些方法基于IP地址和数据报长度的统计特征，但这些方法在IP地址欺骗攻击时检测率急剧下降。
Other detection methods are based on the statistics of IP addresses and the length of data packets, but their detection accuracy declines rapidly under the IP spoofing attack.
另一些方法基于IP地址和数据报长度的统计特征，但这些方法在IP地址欺骗攻击时检测率急剧下降。
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