periodic
adj. 週期的; 定期的; 迴歸的; 間歇的,時而發生的
Periodic events or situations happen occasionally, at fairly regular intervals.
Periodic checks are taken to ensure that high standards are maintained.
定期檢查以確保維持高水準。
...periodic bouts of illness.
週期性發病
1. happening or recurring at regular intervals
2. recurring at regular intervals
3. recurring or reappearing from time to time;
Atomic structure and the periodic table.
原子結構和元素週期表.
Implement equipment periodic maintenance and maintenance plan.
裝置的定期保養及維修計劃實施.
When workers think a periodic purge is imminent, everyone feels equally threatened.
當員工聽說要定期裁員時, 人人都同樣地感到受威脅.
TITLE: Which thyroid cancer patients need periodic stimulation tests?
題目: 那類甲狀腺癌患者需要定期刺激試驗?
Elected officials must reelection at periodic intervals, when their record is subject to intensive public scrutiny.
選舉產生的官員必須定期接受改選, 屆時其業績要受到徹底的公開審查.