The series of changes in the field of luxury expenditure is just the inevitable result of production mode and class strength based on the background of Tang and Song Dynasty 's reform.

奢侈消费领域的这一系列变化正是在唐宋变革的大背景下，生产方式与阶级力量发生重大改变的必然结果。

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Some methods are introduced to rebuild the normal cold storages into super-low temperature cold storages for full use of cascade refrigeration cycle with low production costs and energy expenditure.

针对我国冷库多、贮藏量大，但超低温冷库很少这一现状，介绍了在原有冷库的基础上，利用复叠式制冷方法将原有的部分冷库加装改造成超低温冷库，从而达到降低成本和节能的目的。

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From the results of empirical study, the dissertation finds out that the non-production part of fiscal expenditure does not make contributions to agricultural growth.

并且，占浙江财政农业支出较大比例的农林水利气象等部门事业费用对农业增长，并没有贡献力量。

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