normal period meaning in English

标准周期
正常时期
正向时期

The degree should be completed within the normal period of study : one year to two years for full - time students and not less than two years but not more than four years for part - time students
学生最少须修读8科共24学分。全日制学生需用一至两年时间完成；兼读制学生则需用不少于两年亦不可超过四年时间内修毕课程。
When a seafarer is on call , such as when a machinery space is unattended , the seafarer shall have an adequate compensatory rest period if the normal period of rest is disturbed by call - outs to work
在某一海员处于随时待命的情况下，例如机舱处于无人看管时，如果海员因被招去工作而打扰了正常的休息时间，则应给予充分的补休。
The operational characteristics with the different operational parameters , with different terminal cooling load of air conditioning system , with different heat exchange characteristics between underground u - tube pipe loop and soil , etc . have been studied . the operational characteristics of gshps within starting period , normal period and the period of variable operation patterns under different seasonal conditions has also been studied
研究热泵机组运行参数变化、空调末端负荷变化和地下埋管换热器变化时土壤源热泵系统的运行特性;开展不同季节和不同工况土壤源热泵的启动、正常和变工况运行特性的研究。