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.
阐明外来杂草的各种入侵机制可以为入侵杂草的预测和控制提供科学依据。
The clarification of the invasive mechanism of exotic weeds will be beneficial to predict and manage on them.
外来杂草之所以能在传入地产生危害，与它们所具有的某些特性和当地缺乏环境阻力密切相关。
This is closely related to certain characteristics of the exotic weeds and to lack of environmental resistance.
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.
现在空心莲子草是江苏省危害最严重的外来恶性杂草。
It has become one of the most serious exotic noxious weeds in Jiangsu Province.
现在空心莲子草是江苏省危害最严重的外来恶性杂草。
It has become one of the most serious exotic noxious weeds in Jiangsu Province.
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