morphological operators

• 形态学

morphological operators的用法和样例：

例句

1. Morphological characters and geographical distribution are the same as the family.
   形态学上的特征和地理的分布与科相同。
2. A broad range of morphological variation can be seen within this species.
   广泛形态学上的变化可以被在本种内看见。