塘鹅

"Bird guano comes mainly from islands off the coasts of Peru, Baja California, and Africa that are heavily populated by cormorants, pelican s, and gannets."

主要产地为秘鲁、下加利福尼亚及非洲沿岸大量聚居鸬鹚、鹈鹕和塘鹅的岛屿。

The most fun here is at the duck pond with all the ducks and geese.

在这里最大的乐趣是在鸭塘旁边和鸭、鹅在一起。

Though Bob Fera just calls this a test image, I think he has done a nice job with the North American and Pelican Nebulas.

尽管Bob Fera只把这个成为一张&测试片&，我想他已经把北美星云和塘鹅星云拍得非常好了。

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。