从挖掘物中获取的浮选样本让植物学家能够研究植物采集习性的转变，就好像是用望远镜观察不断变化的景致。
The flotation samples from the excavations allowed botanists to study shifts in plant-collecting habits as if they were looking through a telescope at a changing landscape.
提出了用模糊判别的自动阈值法与手工补选样点修正阈值法相结合的图像分割方法，实现了对有其它植物叶片为背景的杂草图像的正确分割。
To segment leaves, as other leaves in image background, the segment method that combined auto-threshold with handwork sampling to modify segment threshold can segment accurately aim leaves.
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