查询词典 cowbird

We have one parasitical bird, the cowbird, so

它把它的蛋放在北美歌雀，群居麻雀，雪鸟，维丽俄鸟，以及林柳莺鸟的巢中，一般来说，那是唯一成功地在鸟巢中有结果的蛋。

It is also threatened by nest parasites such as the brown-headed cowbird that invade the vireo's nest, knock out the eggs, and replace them with its own.

但是还有其他因素，比如其他寄巢鸟类-棕帽牛鹂，他们会入侵黑帽绿鹃的巢，打掉他们的蛋，替换为自己的蛋。

People have long wondered how cowbird can get away with leaving their eggs in the nests of other species,who then raise the baby cowbirds.

人们一直奇怪牛鹂为何能够成功地把自己的蛋留在其他鸟类的巢中，而其他鸟类就会帮其抚养其幼鸟。

They also found evidence of what they called "farming " behavior, in which cowbirds destoryed a nest to force the host bird to build another . The cowbird they sychronized its egg laying with the hosts'"renest" attempt.

他们还发现了称之为&耕作行为&证据，即牛鹂捣毁鸟巢以迫使其主人另建一个，然后根据&重建&的进度生蛋。

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。