sampling scope造句

例句与造句

1. Bulk density in 0 ~ 20cm , 20 - 40cm and field capacity in 20 ~ 40cm can be simulated with pure nugget effect model , and they are not spatially correlated in sampling scope . 4
   O ~加cm 、 20一40cm土壤容重和2 } 40cm田间持水量符合纯块金效应模型，说明在采样范围内它们的空间相关性不存在。
2. It's difficult to find sampling scope in a sentence. 用sampling scope造句挺难的