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1·With the college enrollment and increasing pressure for employment, labor right protection of the students in the practice of internship period has become the focus of society's attention.

随着高校扩招和就业压力的增大，大学生在实习期间的劳动权益保护问题成为社会关注的焦点。

2·However, according to the old university enrollment notice, all students enrolled in the community registration period between February 15th to 24, to the old university enrollment, tuition fees.

然而根据老年大学报名通知，所有在社区登记报名的学员需在2月15日至24日期间，到老年大学注册登记、交纳学费。

3·Participants attended mobile clinics every 3 months for a follow-up period of 12 to 30 months, depending on enrollment date. The primary outcome was the incidence of infection with HIV.

受试者依据登记的时间在接下来的为期12-30个月的随访期内每三个月在流动诊所随访。

4·There was explosive growth in post-secondary school enrollment in the U. S. from 1965-2000: up 265% , versus roughly 45% population growth during that period.

1965年至2000年，美国高中以上教育机构的入学率呈爆炸性增长：涨幅高达265%，而同期的人口增长率仅为45%。