定期
?fix (or set)a date
?regular;fixed;at regular intervals;periodical
進行～磋商訪問 be on a regular consultation visit/安理會～會議periodic meeting of the Security Council/～保險fixed-term insurance;regular insurance/～會議periodic (or regular)meeting /～匯報工作regularly report back on one’s work/～接待處理來訪(leading cadres personally)attend to calls on a regular basis/～輪換rotate at regular intervals /～刊物periodical publication/～錄相帶Videodical/～壽險term life insurance/～債券term bond/～租船time charter/～存款fixed deposit; time deposit/～逐級加薪periodic step wage increase