| 釋義 |
periodic / (Pian'odik; , pirTadik/ adj occurring or appearing at regular intervals: 定麗的; 周期的： ~ attacks of malaria; 的周期性發(fā)作; the ~ revolution of a heavenly body. 星球的周期性運(yùn)轉(zhuǎn)… ~ 'table, (chem) tabular arrangement of the elements according to their atomic weights and common properties. (化學(xué)) 周期表。 periodical /-kl; -KI/ adj = ~ .o n magazine or other publication which appears at regular intervals, eg monthly, quanerly. 期刊 (定期如每月或揺季出版的雑志四其 M 刊勘。 periodically /-kii; -kli/ adv |