different soil surfaces的用法和樣例：
例句
- The study was conducted for different grazing systems in the ecotone of grassland and farmland in Ningxia sandy lands.
摘要研究了寧夏河東沙地農牧交錯區不同放牧方式對土壤環境的影響。 - The sandy Pinus sylvestris var.Mongolica plantation has no direct relation with soil salinity.
沙地樟子松人工林衰退與土壤鹽分沒有直接的關係。
