结论：脊椎动物白细胞形态结构的分化程度可能与动物的分类地位有关。
Conclusion: the differentiation degree of peripheral white blood cells of vertebrate may be concerned with the systematic position of the animal.
结论：脊椎动物白细胞形态结构的分化程度可能与动物的分类地位有关。
Conclusion: the differentiation degree of peripheral white blood cells of vertebrate may be concerned with the systematic position of the animal.
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