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I would have to ring doorbells, address adults with charming self-confidence, and break down resistance with a sales talk pointing out that no one, no matter how poor, could afford to be without the Saturday Evening Post in the home.

我得按人家的门铃，跟大人说话要表明出叫人喜欢的自信心，对不愿买的人进行宣传，消除他们的抵制情绪，对他们说无论多穷，家里也不能没有《星期六晚间邮报》。

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。