参加国际联盟的运动员50%的时间都在路上- - -如果你担心自己不能准时出现在年级教室的话，你就很难把注意力集中在反手击球上。
The international circuit has players on the road 50% of the time — and it's hard to focus on your backhand when you're worrying about being on time for homeroom.
初中生网络成瘾各维度在年级上均不存在显著差异。
Junior high school students with Internet addiction all dimensions were no significant differences in grade.
初中生疏离感各维度在年级上均不存在显著差异。
Junior high school students sense of alienation different dimensions were no significant differences in grade.
除与人比较的倾向维度其余4个维度及自我完美主义倾向总体在年级上存在显著差异。
Except the tendency of comparing with others, there were significant differences in the other 4 dimensions and total tendency of self-perfection among different grades.
小学生的课堂参与在年级水平上无显著差异，即小学生的课堂参与水平并没有随着年级的升高而提高；
There is no significant difference in students participation concerned with grade. The level of students participation isn't raised along with grade increasing.
但安全感在年级、性别、学校类型上不存在显著性差异。
But there are no significant differences of security in the grade, gender, and school type.
采用问卷调查方法，对大学生参与班干部选举心态进行年级差异比较，发现大学生在参与班选的认知、感受、行为上存在年级差异。
Carrying on the comparison of the student psychology of the grade differences at the participation of class cadres through the questionnaire investigation.
结果发现：语言策略、作文标准、准备性和计划性上存在年级差异；
The results were as follows: there was grade difference in language strategies, criterion of composition, repairing and planning;
孤独感在年级因素上的差异显著，研二年级的孤独感显著高于其他两个年级；
Loneliness factors in the year a significant difference, second-year study of loneliness were significantly higher than the other two grades;
孤独感在年级因素上的差异显著，研二年级的孤独感显著高于其他两个年级；
Loneliness factors in the year a significant difference, second-year study of loneliness were significantly higher than the other two grades;
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