pollen of Picea asperata Mast.

• 云杉花粉

pollen of Picea asperata Mast.的用法和样例：

例句

1. The change of spruce pollen in Qaidam Basin shows that the Qinghai-Tibetan Plateau had then been uplifted to a height that could cause a transformation of the vegetation.
   柴达木盆地云杉花粉的变化证实，此时青藏高原已上升到足以使植被状态发生转型的高度。