添加无人机查询最大值和最小值的service实现

ZhuDongming

2019-08-15 9902b8ccf2d4a7a297189a39c5843f52a83c7315

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package com.moral.entity.charts;
 
public enum  TimeUnits {
    YEAR,MONTH,DAY,HOUR,MINUTE,SECOND,MILLISECOND
}