下列哪个公式是库存位势公式?( )。
A: IP(t)=I(t)+IO(t)
B: IP(t)=IO(t)-D
C: IP(t)=I(t)-D
D: IP(t)=I(t)-IO(t)
A: IP(t)=I(t)+IO(t)
B: IP(t)=IO(t)-D
C: IP(t)=I(t)-D
D: IP(t)=I(t)-IO(t)
举一反三
- 下列的关系式错误是() A: T(i,j)=T(j)-t B: T(i,j)=T(i) C: T(i,j)=T(i) D: R(i,j)=T(i,j)-T(i,j)
- 工序(i,j)的最早开工时间R(i,j)等于() A: T(j)-T(i)+t B: T(i,j)-T(i,j) C: T(i,j)-T(i,j) D: T(j)-T(i)-t
- -Don’t forget to come to my birthday party. -( ) A: I don’t B: I won’t C: I can’t D: I haven’t
- I must answer the letter,_____? A: shouldn’t I B: wouldn’t I C: mustn’t I D: didn’t I
- I had to tell the truth, ______ A: didn't I B: wouldn't I C: hadn't I D: shouldn't I