皮皮学，免费搜题
登录
搜题
【单选题】
某物资库存系统中的安全库存量为20件，需求量的期望值为100件/月，单位货物每月的储存0.5元/件·月，提前订货期的期望值为6天，每次订货100元，则其最佳订货批量、最小库存总费用和订货点为______。A.
200，110，520
B.
400，110，40
C.
1 200，100，40
D.
200，110，40
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A nickel in the shoe means that _________.
A.
Good luck
B.
Healthy body
C.
Rich life
D.
Good life
【单选题】Most conducting materials such as copper, aluminum, iron, nickel, and tungsten _____.
A.
increase in resistance with increased temperature
B.
increase in resistance with decreased temperature
C.
decrease in resistance with increased temperature
D.
increase in conductance with increased temperature
【单选题】The interatomic distance of nickel is ( )
A.
0.187 nm
B.
0.198 nm
C.
0.215 nm
D.
0.248 nm
【单选题】All the following are mainly produced in Canada EXCEPT
A.
nickel.
B.
zinc.
C.
asbestos.
D.
steel.
【单选题】Canada is the worlds ______producer of nickel, zinc, and asbestos.
A.
primary
B.
second
C.
third
D.
fourth
相关题目：