weight span是什么意思

网络释义

用法例句

The result showed that there was the same tendency in changes of soil organic carbon,nitrogen and mean weight diameter of aggregate (MWD),but there was quadratic correlation between the organic carbon and MWD.

探讨黄土高原侵蚀地区植被恢复后对土壤有机碳、氮及其团聚体平均重量直径的影响,研究结果显示土壤有机碳、全氮含量与水稳性团聚体平均重量直径的变化趋势相同,平均重量直径与有机C含量之间有二次多项式关系。

The soil structure in Loess Plateau of Southern Ningxia was studied with the fractal fraction and mean weight diameter.

应用分形维数和平均重量直径对宁南黄土丘陵人工植被下土壤团聚体的结构进行了分析,结果发现团聚体分形维数农田最大,山杏、沙棘和柠条其次,荒草地最小,分形维数与>0。

The mean weight diameter,water stable aggregates (>0.

5mm)、团聚体总量和平均重量直径降低。