923引用 stuo!□20001 Zhang85 stu[1200012Li90 struct student i long int num char name[20] float score, stu[19 200029 Zhao70 3[20 stu[O].num u name stu[O].score9.2.3 引用 struct student { long int num; char name[20]; float score; }stu[20]； stu[0].num stu[0].name stu[0].score stu[0] 200011 Zhang 85 stu[19] 200012 Li 90 200029 Zhao 70 stu[1]