存货决策是针对如何保持最优存货水平或者最优订货次数的短期生产决策。存货决策可分为存货管理决策和存货控制决策。()
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When 2/5 of a certain number is added to the number and this sum is subtracted from 108, the result is the original number. What is the original number?
A. 35
B. 45
C. 54
D. 135/2
E. 270
临床的第一个诊断是
A. 脑膜炎
B. 脑炎
C. 急性硬膜下出血
D. 蛛网膜下腔出血
E. 脑出血