外来杂草在新生境成功入侵，除了具备一些基本的生物生态学特征外，还应具备一些特有的入侵机制。
A successful invasion of exotic weeds depends not only on their bio-ecological traits, but also on some specific mechanisms of invasion.
外来杂草入侵的化学机制涉及到植物化学生态学的各个方面。
The chemical mechanism of exotic weed invasion might involve each aspect of plant chemical ecology.
本系统主要利用图像处理中的形态学算法来实现，对植物和杂草在形状上有明显区别情况能得到较好的识别效果。
The system was realized by morphological algorithm of image processing, which could obtain a better identification effect for some plant and weeds that are obviously different in figure.
本系统主要利用图像处理中的形态学算法来实现，对植物和杂草在形状上有明显区别情况能得到较好的识别效果。
The system was realized by morphological algorithm of image processing, which could obtain a better identification effect for some plant and weeds that are obviously different in figure.
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