Other studies have found that even infants in East Asia sleep about an hour less than European infants.
其他研究发现,即使是东亚的婴儿也比欧洲的婴儿少睡一小时左右。
Studies may be controlled by focusing on a few comparable cases, such as studies of the museum-visiting habits of people in European nations or of the management of tourism in East Asia.
通过选取少量的可比案例,可以对研究施加控制,如对欧洲人参观博物馆习惯的研究,或对东亚旅游管理的研究。
Russian, East European, and Eurasian Studies.
俄罗斯,东欧,与欧亚研究。
Russian, East European, and Eurasian Studies.
俄罗斯,东欧,与欧亚研究。
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