说明：  自动调整数据采集间隔。针对大数据采集过程中的数据波动情况，动态调整数据采集间隔，保证精度，降低存储空间的消耗。
(Automatic adjustment of data acquisition interval. In view of the data fluctuation in the process of big data acquisition, the data acquisition interval is dynamically adjusted to ensure the accuracy and reduce the consumption of storage space.)