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cleanclear9571

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[求助] 请教系统动力学工具Vensim中Delay函数中各变量的单位问题

Delay的形式为DELAY1( {in} , {dtime} ),请问Delay函数中in和dtime的单位分别应该是怎么样呢,如果期望等式左为“元/年”,那么是否in应该是什么,dtime又应该是什么?
以下是我的模型中的错误,希望不吝赐教!拜谢!


Error in units for the following equation:
FCI  =
        DELAY1 ( FCIUI
                  * FAIR
                  * ( EFI
                       / TRFI )
                  * ( 1
                       + AC )
                  * UC1 ,
             ST1 )
FCI  --> Million ton km/Year
FCIUI  --> Hundred million ton km/Hundred million yuan
FAIR  --> Hundred million yuan
EFI  --> Hundred million yuan
TRFI  --> Hundred million yuan
AC  --> Dmnl
UC1  --> Million ton km/Hundred million ton km
ST1  --> Year

Analysis of units error:
Right hand and left hand units do not match
FCI
Has Units: Million ton km/Year
DELAY1 ( FCIUI
          * FAIR
          * ( EFI
               / TRFI )
          * ( 1
               + AC )
          * UC1 ,
     ST1 )
Has Units: Million ton km
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