Ap index

例句：

1. 3.阿普指数
   Ap index
2. 1.The Ap index of the stock market has been rising steadily.
   股市的平均指数一直在稳步上升。
3. 2. The average temperature for this region is around 20 degrees Celsius.
   该地区的平均温度约为20摄氏度。
4. 3.The Ap index of the economy has dropped significantly in recent months.
   近几个月来，经济的平均指数大幅下降。