求翻译：问卷方法具备很多优点，比如针对性、真实性、论理性、典型性，不但可以帮助人们了解、剖析事物的本质及其发展趋向，而且对于解决问题具有积极的作用。是什么意思？

The questionnaire method has many advantages, such as relevance, authenticity, on the rational and typical, not only can help people understand and dissect the nature of things and their development trends, and has a positive role in solving the problem.

survey methods have many advantages, such as targeted, truth, rationality, typology theory, not only will it help people to understand, and analyze the essence of things and their development, and tend to have a positive role of solving problems.

The questionnaire method has very many merits, for instance pointed, authenticity, logical, typical nature, not only may help the people to understand, the analysis thing essence and the development trend, moreover regarding solves the problem to have the positive function.

Questionnaire method has many advantages, such as relevance, authenticity, the rational, atypical, can not only help people understand, an analysis of the essence of things and its developing trend, and have a positive role to solve the problem.

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