查询词典 Sturnella

Any of various songbirds of the genus Sturnella of North America,especially S.magna,the eastern meadowlark,and S.neglecta,the western meadowlark,having brownish plumage,a yellow breast,and a black crescent - shaped marking beneath the throat.

草地鹨一种产于北美洲的草地鹨属鸣鸟，尤指东部草地鹨的东美草地鹨，和西部草地鹨的西美草地鹨，长有深褐色羽毛，胸部为黄色，喉部下面有黑色新月形标记

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。