运用地层中植硅体组合解释过去草原植被及气候变化的关键之一，是要了解研究区现代植硅体形态及表土植硅体组合与现代植被的关系。
The use of modern phytolith assemblages for the interpretation of fossil phytoliths shows phytolith analysis is an effective method for understanding the grassland vegetation and climate changes.
更重要的是，随着现代城市的快速增长植被已大大减少了。
What is more, vegetation had been greatly reduced with the rapid growth of modern cities.
更有甚者，随着现代社会的迅速扩建，植被大大的减少。
What is more, vegetation had been greatly reduced with the rapid growth of modern cities.
更有甚者，随着现代社会的迅速扩建，植被大大的减少。
What's more, vegetation has been greatly reduced with the rapid growth of modern cities.
更重要的是，植被已大大减少，现代城市的快速增长。
What is more, vegetation had been greatly reduced with the rapid growth of modern cities.
现代针叶树气孔器的研究为鉴定化石气孔器奠定了基础，对第四纪植被变化和古气候的研究起着很重要的作用，是第四纪孢粉学的一个重要补充。
The study on the morphology of stomata of conifers is the foundation of identifying fossil stomata that is important for the study of the change of vegetation and climate.
更为严重的是，随着现代城市的快速扩增，植被已大量锐减。
What is more, vegetation had been greatly reduced with the rapid growth of modern cities.
在人类干扰较少时，现代侵蚀应为正常侵蚀，而在植被受到破坏时，就有可能产生加速侵蚀。
When little disturbance of human activities was, modern erosion must be natural erosion. But if the vegetation is destroyed, then the accelerating erosion may take place.
在人类干扰较少时，现代侵蚀应为正常侵蚀，而在植被受到破坏时，就有可能产生加速侵蚀。
When little disturbance of human activities was, modern erosion must be natural erosion. But if the vegetation is destroyed, then the accelerating erosion may take place.
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