sap flow density

常见例句

Effective photosynthetic radiation and deficient vapor pressure were the dominant environmental variables affecting the diurnal variation of sap flow density on sunny days.
影响树干液流密度日变化的主导因子为光合有效辐射和水汽压亏缺，二者对主导因子敏感度相当。
Sap flow density is low and anomalistic, even formed multi-peak curves which has not obvious peak value during rainy days, sap flux density during night is larger than its in sunny days.
各树种阴雨天液流密度变化曲线均不规则且液流密度值较小，甚至出现多峰曲线，但峰值并不明显。