报纸上说，国家美术馆很严格地执行每半小时180位的人数限制。
From what I've read, the National Gallery has been quite strict in limiting the number of visitors to 180 every half-hour.
但是，如果没有人数限制，就算我提前买了票，我如果来的不够早，那也还是看不见。
Consider this: if there is no maximum …then buying an advance ticket is useless, because I may come late and still not see.
受理项目：一般课程之加退选、兴趣选修课程登记志愿、有选修人数限制课程登记志愿。
Processing items: add and drop of general courses, enter preference options for elective courses, enter preference options for courses with a size limit.
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