查询词典 ptarmigan

The Tundra of the Arctic Regions These are the signs of the coming arctic winter:The color of the tundra changes as the water grasses turn brilliant red.The migratory birds gather in flocks along the coast and gradually drift southward.Most of the birds that have spent the brief summer on the tundra now disappear,leaving only the golden eagle,the gyrfalcon,the ptarmigan,and the snowy owl to brave the sunless northern winter.

北极地区的苔原这些都是北极地区冬季即将来临的征候：随着水草变成艳红色，北极苔原的颜色也改变了；候鸟沿着海岸成群聚集，并逐渐南移；在苔原度过短暂夏天的大部分鸟类现已消失，只剩下金鹰、白隼、松鸡和雪白色的猫头鹰来迎接这没有太阳的北极之冬。

But he could not stop, for the mother ptarmigan was running on.

但是他不能停下来，因为母松鸡还在向前跑。

But one summer, somewhere between the top of Ptarmigan Mountain and the bottom, Babay lost his shoe.

但是有一年夏天，在雷鸟山顶和山底下的某的地方，小宝宝的一只鞋掉了。

Then the ptarmigan spoke up, and offered to find the god-chief's heart.

继而小雷鸟说话了，并且承诺要找到那颗属于神的心脏。

A black fox came toward him, carrying a ptarmigan in his mouth.

一只黑狐狸朝他走来，嘴里叼着一只松鸡。

It was a fearful cry, but the fox, leaping away in fright, did not drop the ptarmigan.

这是一种可怕的喊声，那只狐狸吓跑了，可是没有丢下松鸡。

The creature that stopped the bus was a ptarmigan, Alaska's state bird.

这种动物的巴士停在一个松鸡，阿拉斯加的国鸟。

He exhausted the mother ptarmigan; but he exhausted himself.

他把母松鸡追得筋疲力尽；可是自己也累坏了。

A black fox came toward him , carrying a ptarmigan in his mouth .

又有一只黑毛狐狸朝他走来，嘴里衔着一只雷鸡。

Then the ptarmigan spoke up, and offered to find the god-chiefs heart.

继而小雷鸟说话了，并且承诺要找到那颗属于神的心脏。

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。