The effectiveness and feasibility of this method is proved by logical deduction and practical calculation example.
通过逻辑推导和实际算例，分别论证了本方法的有效性和可行性。
Through the review and analysis, it tries to prove that a successful theory is merely logical deduction and concretion of an analyzing method.
本文目的在于通过这种回顾和分析，说明一种成功的理论，只是分析方法的逻辑推演和具体化。
Through using the method of questionnaire and logical deduction, this paper made investigation on age structure, distribution, training condition and technical level of our reserve force.
采用文献调研、问卷调查、访问调查、数据统计分析法等，了解我国田径运动后备力量培养的现状及存在的问题。
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