periodicity meaning in English
n.
1.定期[周期]性；间发性；周期数。
2.周率，频率；【电学】周波；【医学】定期发作；【天文学】定期出现；【化学】周期表中的位置。
Examples
- Periodicity of nuclear properties began to show up .
原子核性质的周期性开始显示出来了。 - Circadian rhythms show persistent, stable periodicities of about 24 hours .
昼夜节律表现出大约24小时的连续而稳定的周期性。 - Regular irregularities occur with constant periodicity and are usually associated with partial heart block .
规律的不整脉随固定周期出现，而且常伴有心脏部分传导阻滞。 - In some cell lines there is a similar periodicity in changes of cell surface antigenicity or response to wheat germ agglutinin .
在某些细胞系中，细胞表面抗原性或对表胚凝集素的反应方面有相近似的周期性变化。 - Algorithm analysis of periodicity of relational matrix
关系矩阵的周期性算法分析