Styropor concrete is a new light aggregate concrete, and playing more and more important role in the field of Civil Engineering because of its outstanding mechanics and notable economical benefit .
聚苯乙烯轻集料混凝土是一种新型的轻骨料混凝土，它以其优越的热工性能和显著的经济效益越来越受到工程界的重视。
As report, reflect the global economical life directly, economical news playing an increasingly important role in the international community.
作为直接报道、反映全球经济生活的经济新闻及其国际间传播在国际社会中发挥着日益重要的作用。
The problem of rescission of contract is one of the most important problems on the study area of contract law, playing an unparalleled role in modern people"s life, economical and social contract."
合同解除问题是现代合同法领域的重要研究课题，在现代人们经济生活交往中具有不可替代的地位和作用。
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