Since we are short of a systematic methods in economic apprise of technique and depreciation of fixed assets, we used to do qualitative analysis, never did quantitative analysis.

过去在进行技术经济评价或固定资产折旧时，由于缺乏一套具体计算方法，通常只有定性分析，而无定量计算。

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Modelling results fit the real cases very well. A few new methods and quantitative references were presented for management and economic evaluation as well as further research of fish culture.

为高产养鲤鱼的生产管理与经济评估提供了量化依据，为鱼类的摄食生长与呼吸耗氧的研究提供了新的方法。

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Based on the literature review, the paper, by using the economic and sociological methods, explores the quantitative study on the issue of wage income in Fujian tea industry from gender perspective.

本文在国内外文献研究的基础上，运用经济学及社会学的方法，从性别分析的角度对福建茶叶产业工人的工资收入问题做定量分析。

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