轮廓

RAHD is invariant to translation,scale, and rotation and the retrieved shapes are very perceptually acceptable due to the capturing of shape features in both radial and angular directions in spatial domain.

虽然目前文献上有很多种图像形状描述子，但是可以归分为两大类：基于轮廓的形状描述子和基于区域的形状描述子。

Profile of a surface locates the surfaces in addition to controlling the angularity.

面轮廓度不仅能控制斜面的位置，而且能控制面的倾斜度。

The oblong face needs to be shortened, the angularity hidden and the hairline blurred.

矩圆形脸需要被缩短、将棱角隐藏、将发型轮廓模糊化。

The angled surfaces on this part, for instance, need to be located relative to the datum reference frame. If only angularity had been applied, the drawing would be incomplete.

例如，对于如图所示的零件的斜面来说，需要控制相对于基准的位置，若仅仅给出倾斜度的定向要求，图纸上给出的公差要求是不完整的，可选择给出面轮廓度的公差要求。

If the orientation of these surfaces needs to be better than the orientation provided by the profile of a surface tolerance, an angularity tolerance may be added as a refinement.

若还需要比面轮廓度的方向控制得更好些，可以再给出倾斜度公差要求。

At greatest eclipse the Sun and Moon subtended virtually the same angular diameter, so the Moon's irregular profile produced in a beaded annularity not unlike the solar eclipse of 1986 Oct 03 (Espenak 1987). Beginning with the eclipse of 1630 Dec 04, the following five events were true hybrids with increasing durations of totality.

一次最壮观的日食实际上太阳和月球看上去有着相同的直径，因此月球不规则表面产生珍珠状轮廓，就像1986年十月3日的日食。1630年开始的日食，及其之后五次是真实的混频日食，其总的持续时间也增加了。

Geometric active contour is antinoise and fit for the cell image segmentation.

几何化活动轮廓相比传统的边缘检测有较强的抗噪声能力，并且能自动拓扑变形，适用于贴壁细胞图像的分割。

Above all this scenery of perfect human life, rose dome and bell-tower, burning with white alabaster and gold: beyond dome and bell-tower the slopes of mighty hills, hoary with olive; far in the north, above a purple sea of peaks of solemn Apennine(5), the clear, sharp- cloven Carrara mountains(6) sent up their steadfast flames of marble summit into amber sky; the great sea itself, scorching with expanse of light, stretching from their feet to the Gorgonian isles(7); and over all these, ever present, near or far--seen through the leaves of vine, or imaged with all its march of clouds in the Arno's stream,(8) or set with its depth of blue close against the golden hair and burning cheek of lady and knight,-- that untroubled and sacred sky, which was to all men, in those days of innocent faith, indeed the unquestioned abode of spirits, as the earth was of men; and which opened straight through its gates of cloud and veils of dew into the awfulness of the eternal world; a heaven in which every cloud that passed was literally the chariot of an angel and every ray of its Evening and Morning streamed from the throne of God.

在这一片人世间完美无缺的景色之上，高耸着发出白雪花石膏和黄金的辉煌光芒的圆拱屋顶和钟楼，在拱顶和钟楼的后面是雄伟的山脉，山上长满了灰色的油橄榄树，遥远的北方，在威严的亚平宁山脉紫色的群峰之上，轮廓分明的卡拉拉山把永恒不变的火焰似的大理石山顶插入琥珀色的天空，光芒夺目的浩瀚大海从山脚下一直延伸到戈尔高尼群岛，而在这一切之上，无论是透过葡萄叶丛所见到的，还是阿尔诺河上伴着飘忽的云影所反映出来的，还是同贵妇人和骑士的金色头发和红润面颊相映衬的，是一片蔚蓝的天空，无远弗届，无时不在，宁静而庄严。在那信仰单纯的年月里，对所有的人来说，那苍天无容置疑地是神仙的住所，就象地球是人的住所一样。穿过云端的大门，透过露珠的纱幕，一直通向令人敬畏的永恒世界--那就是天国，在那儿朵朵飘过的云彩实际上都是天使的战车，晨曦和晚霞的每缕光芒都来自上帝的宝座。

On apiece of paper I make an outline of the most important parts of thephoto.

在几张纸上我画出图片中最重要部分的轮廓。

If you choose to make it an applique using satin,please do a much outline must be better executed,all leather edges must be caught by black outline.

如果您选择使它成为贴花用缎子，请得多大纲必须更好地执行，所有的皮革边必须捕获的黑色轮廓。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！