sap flow density

常見例句

Effective photosynthetic radiation and deficient vapor pressure were the dominant environmental variables affecting the diurnal variation of sap flow density on sunny days.
影響樹干液流密度日變化的主導因子為光合有效輻射和水汽壓虧缺，二者對主導因子敏感度相當。
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.
各樹種陰雨天液流密度變化曲線均不規(guī)則且液流密度值較小，甚至出現(xiàn)多峰曲線，但峰值并不明顯。