光期性 guāngqīxìng photoperiodism Definitions Defs Origin Strokes Stroke Words Sentences Sents 光期性 guāngqīxìng photoperiodism the physiological reaction of organisms to the length of day or night Cross-References Synonym 光周期 guāngzhōuqī
光期性 guāngqīxìng photoperiodism the physiological reaction of organisms to the length of day or night Cross-References Synonym 光周期 guāngzhōuqī