摘要:今天在经济学中谈论奥地利工商业循环理论已经十分常见了。
Abstract: : in economics, Austria to talk about business cycle theory has been a very common.
摘要采取长时间浸水马歇尔试验和多循环冻融劈裂试验方法,对掺加了水泥、抗剥落剂的安山岩集料沥青混凝土水稳定性能进行研究。
Long term immersing Marshall test and frozen-thaw cycle test were used to investigate the anti-stripping performance of andesite asphalt mixture using cement and anti-stripping agent.
摘要审美场是审美欣赏、批评、研究、创造活动按序运转循环的生态圈。
Aesthetic field is the ecosphere of virtuous operating circle of aesthetic appreciation criticism research and creation activities.
摘要:我国建筑废弃物资源化企业普遍面临着运营困难,建筑废弃物循环利用的形势不容乐观。
Abstract: the construction waste recycling enterprises in China are facing difficulties in operation, and the recycling of construction waste is not optimistic.
摘要目前复叠式制冷循环中采用的R22制冷剂属于受控物质,需要寻求新的替代制冷剂。
R22 is the main present refrigerants used in cascade refrigeration cycle, which are controlled materials and need to be replaced.
[摘要]建筑废弃物是可以合理循环利用的资源,有效地对建筑废弃物进行再利用不但可以减少污染,还可以进一步降低建设成本。
Abstract: construction waste is a resource can be recycled, reuse construction waste effectively can reduce pollution, as well as lower the construction costs.
[摘要]建筑废弃物是可以合理循环利用的资源,有效地对建筑废弃物进行再利用不但可以减少污染,还可以进一步降低建设成本。
Abstract: construction waste is a resource can be recycled, reuse construction waste effectively can reduce pollution, as well as lower the construction costs.
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