入选论文主题突出鲜明，研究方法特征显著；
Study methods of the included theses have special features and they require both creation and variety.
左下图的胶片并不很差劲，但是文字与图的平衡不太好导致主题文字并没有很鲜明的突出出来。
The slide on the left below is not horrible but the balance is off and the text does not pop out as much as it could.
河流与它周围的环境形成鲜明对比，主要是由于紧挨着河岸的植被(在图中颜色鲜艳)，这一点在陨石坑东南的一段河流更突出。
Waterways contrast with their surroundings due primarily to the vegetation clinging to their riverbanks, especially the river southeast of the crater.
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