periodic law周期律,门捷列夫定律periodicadj.周期的；定期的；间歇的；完句的Periodic Personnel Strength Report定期实力报告periodic acid-sliver methenamine高碘酸-乌洛托品银, 高碘酸-甲烷氨银periodic ophthalmia virus of horse[医] 马周期性眼炎病毒periodic-acid-Schiff procedure过碘酸希夫染色法periodic electromagnetic waveguide周期性电磁波导periodic projectivesynchronization周期态投影同步periodic wrinkly rank wave-guide皱阶周期性波导Periodic population dynamic system周期种群系统Periodic-focusing magnetic field周期聚焦磁场periodic acid-Schiff rs reaction过碘酸-雪夫氏反应