错误：符号＆＃x27; iac＆＃x27; AT（1）没有隐式类型；您的意思是NAC＆＃x27 ;？
我在这件事上有错误，但我不知道为什么它将其检测为没有隐式类型。在编译器中，它说错误：符号'iac'at（1）没有隐式类型；您的意思是“ NAC”？
，但我已经宣布了这样
PROGRAM SUSPAP
! Analysis of Suspension Bridge Structures
IMPLICIT NONE
CHARACTER NJO*70, NCA*70, NAL*70, NDL*70, NAQ*70, NLL*70, NNL*70, NAC*70
REAL*8 ACCE (4000) ,COR (2000) ,DIN (4000) ,DIS (2000) ,DISE (4000) , &
DISEX (200) ,DISP (4000) ,DIST (2500) ,DIS1 (2000) ,DIS2 (2500) , &
EFO (14000) ,EFOT (1400) ,ELD(500) ,ELT(500) ,EMOD (1000) , &
EQFO (14000) ,EQFOT (14000) ,EQLO (2000) ,FORC(2000) ,GDI (2000) , &
GLO(2000) ,GLOD(100) ,GLOL(100) ,OPR (10000) ,OPS (10000) , &
PEFF (2000) ,PEQI (2000) ,PEQS (1000) ,PEQT (2000) ,POIS (1000) , &
PRO(5000) ,ROT (1000) ,SMEG (1000) ,SMEL (1000) ,SMG4 (1000) , &
STEF (70000) ,STEG (1000) ,STG(70000) ,STEL(1000) , &
STG4 (1000) ,STRE(1000) ,STMM (70000) ,STMS (10000) , &
SMMM (70000) ,SMMS (10000) ,VELO(4000) ,WTY (1000) , &
ACC (4000) ,VEL (4000) ,DAT1 ,DAT2
INTEGER I, LI
DIMENSION IAC (4000) ,IDE(2, 500) ,INC (2000) ,LISEX (400) ,LTY(1000) , &
LPOIN (2000) ,MBEL (500) ,MPRI (1000) ,NDON (5, 50) ,NIST (5000) , &
NLOD (10) ,NMAS (5000) ,NNEL (1000) ,NPRI (1000) ,NTY(1000)
DATA NDI/3/ ,NOE/4/ ,NDN/6/ ,NDE/24/ ,NODEL/10/
i have an error in this thing but I don't know why it detected it as no implicit type. In the compiler it says Error: Symbol 'iac' at (1) has no IMPLICIT type; did you mean 'nac'?
but I already declared it like this
PROGRAM SUSPAP
! Analysis of Suspension Bridge Structures
IMPLICIT NONE
CHARACTER NJO*70, NCA*70, NAL*70, NDL*70, NAQ*70, NLL*70, NNL*70, NAC*70
REAL*8 ACCE (4000) ,COR (2000) ,DIN (4000) ,DIS (2000) ,DISE (4000) , &
DISEX (200) ,DISP (4000) ,DIST (2500) ,DIS1 (2000) ,DIS2 (2500) , &
EFO (14000) ,EFOT (1400) ,ELD(500) ,ELT(500) ,EMOD (1000) , &
EQFO (14000) ,EQFOT (14000) ,EQLO (2000) ,FORC(2000) ,GDI (2000) , &
GLO(2000) ,GLOD(100) ,GLOL(100) ,OPR (10000) ,OPS (10000) , &
PEFF (2000) ,PEQI (2000) ,PEQS (1000) ,PEQT (2000) ,POIS (1000) , &
PRO(5000) ,ROT (1000) ,SMEG (1000) ,SMEL (1000) ,SMG4 (1000) , &
STEF (70000) ,STEG (1000) ,STG(70000) ,STEL(1000) , &
STG4 (1000) ,STRE(1000) ,STMM (70000) ,STMS (10000) , &
SMMM (70000) ,SMMS (10000) ,VELO(4000) ,WTY (1000) , &
ACC (4000) ,VEL (4000) ,DAT1 ,DAT2
INTEGER I, LI
DIMENSION IAC (4000) ,IDE(2, 500) ,INC (2000) ,LISEX (400) ,LTY(1000) , &
LPOIN (2000) ,MBEL (500) ,MPRI (1000) ,NDON (5, 50) ,NIST (5000) , &
NLOD (10) ,NMAS (5000) ,NNEL (1000) ,NPRI (1000) ,NTY(1000)
DATA NDI/3/ ,NOE/4/ ,NDN/6/ ,NDE/24/ ,NODEL/10/
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dimension语句声明某物具有（或几个部分具有）尺寸属性。像其他属性规格语句一样，例如分配，参数和保存，dimension语句没有指定<实体的em>类型。使用
隐式无实际上您必须明确声明所有本地变量的类型，而这样做的方法是使用类型声明语句：代码>并选择了所有Fortran编译器所理解的类型声明。）
可以在单个语句中指定实体的类型及其
属性属性分别是属性，
但需要明确的类型声明以避免隐式键入。
The
dimensionstatement declares that something has (or several somethings have) the DIMENSION attribute. Like other attribute specifications statements, such asallocatable,parameterandsave, thedimensionstatement does not specify a type of an entity.With
implicit nonein effect you must explicitly declare the type of all local variables and the way to do that here is to use a type declaration statement:(You should avoid using
real*8and instead chose a type declaration that is understood by all Fortran compilers.)It's possible to specify both the type of an entity and its attributes in a single statement
or to specify the type and attribute(s) separately
but an explicit type declaration is required to avoid implicit typing.