1 Subjects: “...indoor positioning...”

2 Subjects: “...finger position recognition...”

3 Subjects: “...indoor positioning...”

4 Subjects: “...positioning accuracy...”

5 Subjects: “...positive complexity...”

6 Subjects: “...positioning system...”

7 Subjects: “...indoor positioning...”

8 Subjects: “...indoor positioning...”

9 Subjects: “...position control...”

10 Subjects: “...position control...”

11 Subjects: “...position control...”

12 Subjects: “...positioning...”

13 Subjects: “...target positioning...”

14 “... closely in the coming period, pay attention to critical concerns such as inequality, as well as positive...”

15 “... thus draws upon advances in many areas. This positioning provides unprecedented opportunities...”