重新修改

The first of these papers will be rewritten upon its return and resubmitted in a form compliant with corrections made by the instruction on the pages of the first version.

第一篇报告交出，我批改后会发回给同学，请大家照上面的评语修改文章，把报告重新誊写一遍，再缴交回来给我。

Changes that do not require a review of files and retesting.

第二类为不需要重新审核认证报告的修改。

Changes that require a review of files and possible retesting.

第一类为需要重新审核认证报告并有重测可能的修改。

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。