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我国加快转变经济发展方式,实现国家发展战略目标最根本、最关键的力量是创新驱动。()

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技工室加工出来的义齿基托内有明显的气泡。为什么会发生这样的情况?哪些部位最容易产生气泡?为什么?

根据义齿基托树脂聚合固化方式分为______、_______、________、_______四种。目前,广泛使用的义齿基托树脂是________树脂及其改性产品。

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Which statement is correct regarding the degree of polymerization of methyl methacrylate in denture base acrylic resin()

A. no residual monomer exists after processing a heat activated acrylic resin at 165℃ for 8 hours
B. more residual monomer exists in a denture that is processed by chemical activation than by heat activation
C. residual monomer in a denture can only be eliminated by raising the temperature to 212℃ for 1 hour after processing.
D. excessive brittleness

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