常見(jiàn)例句雙語(yǔ)例句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(shù)種陰雨天液流密度變化曲線(xiàn)均不規(guī)則且液流密度值較小，甚至出現(xiàn)多峰曲線(xiàn)，但峰值并不明顯。Diurnal change of net photosynthesis rate(NPR) in Xinjiang cotton fields with high yield had one peak value appearing at 14:00. NPR was positive correlation with photosynthetic photon flux density.高產(chǎn)棉田凈光合效率日變化有1個(gè)明顯的峰值，出現(xiàn)在14：00，它與光合光量子通量密度呈線(xiàn)性正相關(guān)。 返回 peak flux density