Students studying for a particular degree will take a series of lecture courses which run in parallel at a fixed time in each week and may last one academic term or the whole year.
攻读特定学位的学生将在每周的固定时间同时参加一系列讲座课程，可能持续一个学期或一整年。
First of all, sleep at a fixed time every night.
第一，坚持每晚按时睡觉。
The results show that the best flooding oil layers combination is no-low flooding combination for the oilfield development, the worst one is middle-high combination at a fixed time.
结果表明：当开发时间相同时，未水淹与低水淹油层的组合开发效果最好，中水淹与高水淹的组合开发效果最差；
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