沉积物质量基准
Sediment quality criteria
sediments quality criteria
sediment quality guidelines
磁性物质质量分数
mass fraction of magnetic substances
小相对分子质量物质
Small relative molecular mass compounds
凋落物持水
Holding water rate of litter
凋落物持水性
litterfall water holding capacity
凋落物分解
Leaf litter decomposition
Litter decomposition
Decomposition
Litters decomposition