哟八月份做阴道彩超一切正常,九月份做ct显示宫颈有低密度影是啥啊,然后我的月经这个月推迟六天了!之前也推迟,没有同房,可以排除怀孕(女,24岁) 分析及建议: 月经在以往周期延迟一周属于正常的,如果超过一周以上还是不来,也没有怀孕的话,那么考虑是内分泌失调导致的月经延后,建议需要去医院妇科做一下b超检查看看子宫...
摘要: I read your article "Absolute Error, Cycle Counting and Related Items" and had a question for you. When you calculate the percentages of accuracy, you take into consideration the total units in inventory and develop a percentage of accuracy based on the absolute quantity errors. I unders...
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