本论文的研究无论从理论还是实践，都起到了一定的积极作用。
This paper has played a positive role anywhere from theory to practice.
笔者认为，在这个过程中，中间阶层的消费方式起到了一定的积极作用。
This essay holds the opinion that the consumption pattern of the middle class played a positive role in this process.
在默默地作好教学工作的同时，重视教学和教育科学研究，并已在部分领域取得一定成果，为教学质量的提高起到了一定的积极作用。
Quietly make teaching work, the importance of teaching and education research, and in some areas have achieved some results, improving the quality of teaching has played a positive role.
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