By analyzing the technics characteristics of back bevel gear shaft, this paper summarized a high precision and efficient processing method of back bevel gear shaft.
通过分析倒置锥齿轮轴的工艺特性，总结出一种高精度、高效率的倒置锥齿轮轴的加工方法。
Pullulan has great economic value, this paper summarized its properties, application in food, the mutating and screening of yield strains, fermentation and purifying process.
短梗霉多糖具有巨大的经济价值，本文综述了短梗霉多糖的性质，在食品中的应用，生产菌种的诱变筛选， 发酵和提纯工艺。
Based on this, this paper summarized the theory of the life world through literature method and collected all kind of nursery rhymes through interview method and literature method.
基于此，论文以生活世界为研究视角，运用文献法归纳总结了生活世界的相关理论，通过访谈法、文献法收集了各式童谣。
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