设置多条件函数公式阶段 TR1 TR2 TR3 TR4 TR5 TR6 TR7 公式列 各阶段所处的时间 2012-7-25 2012-8-26 2012-9-27 2012-10-29 2012-11-30 2013-1-1 2013-2-2 TR1 2012-8-1 2012-8-24 2012-9-25 2012-10-25 2012-11-25 2012-12-25 2013-1-25 2012-7-26 2012-8-25 2012-9-24 2012-10-24 2012-11-23 2012-12-23 2013-1-22 2012-7-25 2012-8-24 2012-9-23 2012-10-23 2012-11-22 2012-12-22 2013-1-21 2012-8-1 2012-8-24 2012-9-21 2012-10-19 2012-11-16 2012-12-14 2013-1-11 2012-7-25 2012-8-23 2012-9-22 2012-10-

设置多条件函数公式
阶段 TR1 TR2 TR3 TR4 TR5 TR6 TR7 公式列
各阶段所处的时间 2012-7-25 2012-8-26 2012-9-27 2012-10-29 2012-11-30 2013-1-1 2013-2-2 TR1
2012-8-1 2012-8-24 2012-9-25 2012-10-25 2012-11-25 2012-12-25 2013-1-25
2012-7-26 2012-8-25 2012-9-24 2012-10-24 2012-11-23 2012-12-23 2013-1-22
2012-7-25 2012-8-24 2012-9-23 2012-10-23 2012-11-22 2012-12-22 2013-1-21
2012-8-1 2012-8-24 2012-9-21 2012-10-19 2012-11-16 2012-12-14 2013-1-11
2012-7-25 2012-8-23 2012-9-22 2012-10-20 2012-11-18 2012-12-17 2013-1-15
2012-7-26 2012-8-26 2012-9-27 2012-10-29 2012-11-30 2013-1-1 2013-2-2
公式要求：根据当前时间（today）判断所处的阶段
注意：各阶段时间顺序如下：TR1阶段:today~2012-7-25
TR2阶段：2012-7-26~2012-8-26
TR2/TR4阶段以此类推