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。
2.
He was a sad, birdlike man with the spatulate face and scrubbed, tapering features of a well-groomed rat . 他是一个样子长得像鸟，垂头丧气的家伙，生了一张刮勺般的脸，下颏尖削，脸上洗得干干净净，看上去倒象一只养得挺好的老鼠。
3.
Two pieces of tape are used to lift up the eyebrows and corners of the eyes 片子尾端尖削的两片置于两鬓，有修整脸形的作用。
4.
Loftily and magnificently . mt . siguniang stands with it s peculiarities in queenly grace . it s narrow summit appears very much like a castle . beacause of its hazardous stee 四姑娘山山峰尖削陡峭，峰顶窄如城堡，且终年积雪，由于它特别的险峻，有幸登顶者寥寥若晨星。
5.
And if we ascend the cathedral , without mentioning a thousand barbarisms of every sort , - - what has become of that charming little bell tower , which rested upon the point of intersection of the cross - roofs , and which , no less frail and no less bold than its neighbor ( also destroyed ) , the spire of the sainte - chapelle , buried itself in the sky , farther forward than the towers , slender , pointed , sonorous , carved in open work 如果我们往主教堂上面去，不停下来观看那成千上万、各种各样的野蛮玩艺儿，那座屹立在交叉甬道交叉点上的迷人的小钟楼，轻盈而又奔放，绝不亚于邻近圣小教堂的尖塔(也已毁掉) ，比其他塔楼更刺向天空，高耸，尖削，空灵，回声洪亮，这座小钟楼的命运又如何？
6.
Three kinds of trapezoid , delta and airfoil shaped vortex generators are designed based on traditional , sub boundary layer and micro - vortex generators conceptual design , to study the influence of the shape , height , aspect ratio , chordwise position , spanwise position and direction angles of vortex generators on boundary layer separation control ( 5 )综合分析研究了涡流发生器的工作原理和设计原则。根据国内外资料，研究了涡流发生器形状、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素对附面层分离控制效果的影响。
