sample 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 sample scope in a sentence. 用sample scope造句挺难的