classes: lecturer. Practical learning, knowledge is much, but the study time is only two periods, I expect the school to increase the practice period to 3 periods for a week. curriculum. Practical learning, knowledge is much, but the study time is only two periods, I expect the school to increase the practice period to 3 periods for a week. facility. Practical learning, knowledge is much, but the study time is only two periods, I expect the school to increase the practice period to 3 periods for a week. general. Practical learning, knowledge is much, but the study time is only two periods, I expect the school to increase the practice period to 3 periods for a week.