制订: work [map] out; formulate; draw up; evolve 短语和例子制订方案 work out a scheme; 开会制订今年的生产计划 hold a meeting to draw up this year's production plans; 制订一个解决问题的方法 evolve a solution for the problem
定期: 1.(定下日期) fix [set] a date2.(有一定期限的) regular; at regular intervals; periodical 短语和例子定期报告工作制度 system of regular work reports; 定期汇报工作 regularly report back on one's work; 定期轮换 rotate at regul