查询词典 sing up

When we let freedom ring ,when we let it ring from every village and every hamlet ,form every state and every city ,we will be able to speed up that day when all of God's children ,black men and white men ,Jew and Gentiles ,Protestants and Catholics ,will be able to join hands and sing in the words of the old Negro spiritual , Free at last !

当我们让自由之声轰响，当我们让自由之声响彻每一个大村小庄，每一个州府城镇，我们就能加速这一天的到来。那时，上帝的所有的孩子，黑人和白人，犹太教徒和非犹太教徒，耶稣教徒和天主教徒，将能携手同唱那首古老的黑人灵歌：终于自由了！

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。