删除箭头

When it comes to styling visited links the key is to give them reduced visual emphasis. This can be achieved by making them a less eye catching color than unvisited links, removing their underline, or adding a graphical cue such as a tick next to them.

说到使链接多样化的时候，最重要的一点是让他们减少视觉重点，我们可以减少吸引他们注意力的颜色，删除下划线，或者加上一个箭头之类的，从而有更多的注意力会放在没有访问过的链接上。

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。