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The ancestor of the modern bicycle was called a penny farthing .

现代自行车的原型叫做'前轮大後轮小的自行车'。

Although cross country skiing today is not as popular as downhill skiing, it is an ancient sport and mode of travel, and the ancestor from which downhill skiing and snowboarding have been derived in the recent times.

虽然今天的越野滑雪并不如高山滑雪流行，这是一个古老的体育和旅游模式，而祖先的高山滑雪和滑雪板已在近期得出。

Because of the similar morphological traits between bonobos and humans, some anthropologists consider the bonobo to be the best living prototype for the common ancestor of humans.

由于倭黑猩猩与人的体形相似，有些人类学家认为倭黑猩猩是人类共同祖先的最好的活原形。

"Influential families would hire the troupes to put on plays to accompany the ceremonials of ancestor worship, and any rich patron could engage actors to perform for family celebration s, such as birthdays, weddings and even funerals."

大户人家往往把戏班子请到家里演戏祭祖，任何一个有钱人都可以请人唱戏庆贺家中之事，如生日，红白喜事等。

"Influential families would hire the troupes to put on plays to accompany the ceremonials of ancestor worship, and any rich patron could engage actors to perform for family celebrations, such as birthdays, weddings and even funerals."

大户人家往往把戏班子请到家里演戏祭祖，任何一个有钱人都可以请人唱戏庆贺家中之事，如生日，红白喜事等。

"Influential families would hire the troupes to put on plays to accompany the ceremonials of ancestor worship, and any rich patron could engage actors to perform for family celebrations, such as birthdays, wedding s and even funerals."

大户人家往往把戏班子请到家里演戏祭祖，任何一个有钱人都可以请人唱戏庆贺家中之事，如生日，红白喜事等。

A baby alligator snapping turtle in a Florida swamp perches on the outsize skull of a record-breaking ancestor.

一只佛罗里达沼泽中的大鳄龟栖息在祖先破纪录的特大头骨上。

A baby alligator snapping turtle in a Florida swamp perches on the outsize skull of a record-breaking ancestor.

在佛罗里达的沼泽地，一只幼鳄龟正在它的巨无霸先辈躯干上小憩。

A baby alligator snapping turtle in a Florida swamp perches on the outsize skull of a record-breaking ancestor.

/ 一只佛罗里达沼泽的幼年鳄咬龟（鳄咬龟，学名：Macroclemys temmincki）在其打破记录的先祖超大的头骨上歇息。

Photo of the Day April 17, 2008 Baby Alligator Snapping Turtle, Florida, 1999 Photograph by George Grall A baby alligator snapping turtle in a Florida swamp perches on the outsize skull of a record-breaking ancestor.

主标题：婴儿美洲鳄鱼海龟，佛罗里达州，1999年。一只婴儿鳄鱼显著的海龟在美国佛罗里达州的沼泽栖息在一只特大的海龟头骨破纪录的祖先上面。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。