Noun:

1. (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law

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 acid-Schiff hematoxylin高碘酸-希夫苏木精(染剂)periodic annual intermediate yield定期平均年疏伐量Periodicity of Atomic Ground State原子基态的周期性periodic microstructure fabrication周期性微结构制作periodic development of real estate房地产周期periodic heating measurement method周期热流法Periodic Change of e-Tax Password更新税务易通行密码periodic direct or batch processing[经] 定期直接或分批加工periodic-ramp-modulating signal周期性斜坡调制信号periodic block-tridiagonal matrix周期块状三对角矩阵

1. Silicon is one of the most studied elements in the periodic table.
   硅是周期表中最熟悉的元素之一。
2. The periodic table would appear thus to have won a temporary reprieve.
   元素周期表的修改貌似要减缓咯。