周期性波动

青藏高原高寒草甸气温、降水和地上净初级生产力变化的周期特征

孑遗植物水松(Glyptostrobus pensilis)种群生命表和谱分析

濒危植物沉水樟的种群生命表和谱分析

periodic write-offs

periodic table of (chemical) ele ments

circulating decimal【数】;periodic decimal【数】;periodical fraction【数】

hyperkalemic periodic paralysis

periodic outbreak

PAS reaction; periodic acid Schiff reaction

periodic inspection

perturbed periodic potential【物】