事实上有研究表面，学生的学习成绩与平均睡眠时间长短正相关。
In fact, research shows there is a correlation between student grades and average amount of sleep.
另外一个是学习汉语的时间长短对他们理解汉语动宾结构的情况有没有影响，有多大的影响。
In addition, We also hope to see that if the time length has any effect on their understanding the Chinese VO structure, or how much effect it will have.
另外，权利与义务、学习目标语言的时间长短、社会变革和文化交流等因素也影响着礼貌语言的选择和使用。
Other factors that influence the choice of language are rights and obligations, years of studying the target language, social change and cultural exchange.
此外，学习者学习汉语时间的长短直接影响到其对面子的意识和缓解面子威胁手段的运用。
What is more, the length of Chinese learning has directly affected their awareness of face and the use of softeners.
英语预备学习的时间长短取决于ILI对你目前英语水平的评定。
The length of your English language preparation will depend on your current level of English, as assessed by the ILI.
学员回学校再学习的时间间隔以12-15年的人数最多（占23． 32％），再学习的时间间隔长短与学员的职业和所学专业有关；
The number of participants whose interval is 12 or15 years before their returning to school is the largest(23.32% of the trainees).
大学每个专业都要制定教学计划。假设任何专业都有固定的学习年限，每学年含两个学期的时间长短和学分上限值均相等。
Assuming any professional have fixed the length of each school year with two semesters and the length of time limits on the credits are equal.
大学每个专业都要制定教学计划。假设任何专业都有固定的学习年限，每学年含两个学期的时间长短和学分上限值均相等。
Assuming any professional have fixed the length of each school year with two semesters and the length of time limits on the credits are equal.
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