用vegetational造句子，“vegetational”造句

This paper discusses the principle and basis, the system and unit of vegetational classification in Pingtan county.

regions rich in vegetal products; vegetational cover; the decaying vegetative layer covering a forest floor.

The habitat, the floristic feature, and the basic vegetational types in Dahong Mountains ef Hubei Prosince are discussed in this paper.

They think that the climate change from wet-hot, warm-wet, little cold-wet, to cold-drought, and the vegetational evolution from forest, bush, to grassland in Zhada area.