叫卖商人

Crowds of foreign tourists and local yokels flock around it; merchants hawk their wares; boats bob in the waters, offering cruises out to the open sea.

拱门周围聚集着人山人海的游客和当地人，商人在那里叫卖他们的货品，船只在水上逡巡往来，还有出海航行的游轮。

Russian traders scour its wholesale shops for furs and boots. Hawkers throng the pavements. The street is jammed with taxis and pedicabs.

俄罗斯商人在这里的批发商店四处搜购皮草和靴子；沿街叫卖的小贩挤占了人行道；街道上塞满了出租车和人力三轮车。

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。