photo period meaning in English
光照周期
Examples
- The effects of food concentration and diurnal photo period on the filtering and grazing rates a . pacific were discussed . the main results are showed as follows : 1 . in the prawn cultivated pond , the year - round phytoplankton apparent growth rate ranged between 0 . 181 ~ 1 . 2888 d - 1
主要分析了微型浮游动物对浮游植物现存量和初级生产力的摄食压力，微型浮游动物的氨氮排泄率及其对初级生产力的贡献，探讨了实验室条件下食物浓度和光周期对太平洋纺锤水蚤( acartiapacifica )滤食率和清滤率的影响。