A、IOC<sub>0sub> B、IOC<sub>1sub> C、IOS<sub>0sub> D、IOS<sub>1sub>
A、c<sub>0sub>,(a<sub>0sub>+b<sub>0sub>+c<sub>0sub>),(a<sub>0sub>+b<sub>0sub>) B、(a<sub>0sub>+b<sub>0sub>+c<sub>0sub>),(a<sub>0sub>+b<sub>0sub>),c<sub>0sub> C、(a<sub>0sub>+b<sub>0sub>),c<sub>0sub>,(a0+b0+c0) D、c<sub>0sub>,(a<sub>0sub>+b<sub>0sub>),(a<sub>0sub>+b<sub>0sub>+c<sub>0sub>)
A、有两种比例,对于长试样L<sub>0sub>=8d<sub>0sub>,对于短试样L<sub>0sub>=5d<sub>0sub> B、有两种比例,对于长试样L<sub>0sub>=8d<sub>0sub>,对于短试样L<sub>0sub>=6d<sub>0sub> C、有两种比例,对于长试样L<sub>0sub>=10d<sub>0sub>,对于短试样L<sub>0sub>=6d<sub>0sub> D、有两种比例,对于长试样L<sub>0sub>=10d<sub>0sub>,对于短试样L<sub>0sub>=5d<sub>0sub>