We mustn't forget the plants, without whose prior invasion of the land none of the other migrations could have happened.
我们不能把植物给忘了，没有它们事先入侵陆地，就不会有其他的迁徙发生。
The summaries on nitrogen deposition are displayed from the aspects including plant growth and phytotrophy and plant tress resistance and litter decomposition and the invasion of non - native plants.
为了更好地研究氮沉降这一环境变化，从植物生长、植物抗逆性、植物营养、凋落物分解、以及外来植物入侵等方面对氮沉降进行了综述。
Fire seems to have been the critical factor in preventing invasion of the grassland by woody plants.
火似乎是阻止木本植物侵入草地的关键因素。
And we mustn't forget the plants, without whose prior invasion of the land none of the other migrations could have happened.
并且，我们决不能忽视掉植物，如果没有它们作为先遣队进入陆地，上述这一切是不可能发生的。
The route of invading and the harm of the external invasion plants were analyzed. Some Suggestions about prevention were put forward.
对这些植物的入侵途径和危害进行了分析，并提出一些防治建议。
The invading of an alien plant is an individual-to-group process. The invasion will not do harm to the ecology until the plants become a group.
外来入侵植物的入侵要经历一个从个体到种群的过程，只有形成种群后才能对自然生态环境造成危害。
The invading of an alien plant is an individual-to-group process. The invasion will not do harm to the ecology until the plants become a group.
外来入侵植物的入侵要经历一个从个体到种群的过程，只有形成种群后才能对自然生态环境造成危害。
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