研究者们证实了大多数家长所观察到的情况：孩子的睡眠习惯在青春期时有所变化，尽管孩子们早上起不了床，他们在晚上依然精神抖擞地熬夜。
Researchers have verified the pattern that most parents have observed: sleep patterns change at puberty, and kids can't seem to get out of bed in the morning. But they still stay up late at night.
介绍了齐鲁石化公司热电厂二期水处理装置采用三室三层浮动床技术进行黄河水处理的改造及运行情况。
The revamping of Phase 2 water treatment plant of three-cell three-layer floating bed process in the thermal power plant of Qilu Petrochemical Company and operation are described.
笔者介绍了广西钦州港二期码头抛石基床的爆夯设计和实施。
The design and implementation of underwater explosive ramming for the second phase dock of Qingzhou Harbor in Guangxi Region, are introduced.
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