a number of the number of 这样的结构叫什么名字?

the number of,a small number of,a number of. a number of the number of the number of、a number of、large number的区别 a number of the students a number of students还是a number of the students A great number of 与 The number of 的区别 the number of和a number of的区别 a number of 与the number of用法 区别 比较 the number of,a number of 的区别及用法 a number of和the number of的区别 用“the number of”和“a number of”一起造句 a number of和the number of的区别 the number of 和 a number of 的区别 the number of与a number of的区别 a number of,the number of的用法 a number of 和the number of 的区别 the number of 与 a number of都是什么意思 a number of和the number of 有什么区别?