基本解釋光子通量密度英漢例句雙語例句The total photosynthetic photon flux density above and below canopy has a significant diurnal and seasonal changes and the changes of the upper and lower canopy are consistent.冠層上方和下方總的光合光量子通量密度具有明顯的日變化和季節(jié)變化，并且冠層上下變化規(guī)律一致。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個明顯的峰值，出現(xiàn)在14：00，它與光合光量子通量密度呈線性正相關(guān)。photon flux density更多例句詞組短語短語photosynthetic photon quanta flux density 光合光量子通量密度;高光強Photosynthetic Photon Flux Density 光量子通量密度;子通量密度;光合光量子通量密度;光合作用光子通量密度photon flux density spectrum 光子通量密度譜Relative photosynthesis photon flux density 相對光量子通量密度photon flux density更多詞組專業(yè)釋義能源科學(xué)技術(shù)光子通量密度