When we measure the kurtosis of a distribution , we are measuring its peakedness.度量一条频率分布曲线的尖削度就是度量其顶部的峰态.A new range alignment algorithm based on modified kurtosis is proposed.本文提出了一种基于修正峰度的ISAR距离对准算法.An approach named ...
The most economical mechanism for tight shutoff is the impactor handwheel.要做到紧密关闭,最经济的机械装置就是冲击式手轮.The impactor is estimated to be the size of several football fields.估计造成撞击的小天体大概有数个足球场大.Grimlock and Impactor meet Megatro...
他曾旅居海外多年.For many years he had lived beyond the sea ( s ).他周游世界, 旅居国外, 寻欢作乐.He travelled all over the world, lived abroad, amused himself.那么你是宁愿旅居海外 啦 ?So you prefer living abroad?...