They are both determined to tackle three of its root causes-by banning torture, closing guantanamo Bay and embracing a cap-and-trade policy on climate change.
他们都下定决心要禁止美军虐囚，关闭关塔那摩基地，赞成采用总量管制与排放交易的政策应对气候变化，以此来铲除造成美国形象恶化的三种根源。
AIM: to compare the drug closing effect of calcium hydroxide or FC in pulpectomy and root canal therapy in rat.
目的：比较氢氧化钙和甲醛甲酚(FC)对去髓术和根管治疗术的封药效果。
Objective: To study if closing molar Spaces could cause severe root resorption through comparing the effects of molar and premolar extractions on root resorption.
前言：目的：通过对磨牙拔除病例与前磨牙拔除病例的牙根吸收情况的对比，探讨关闭磨牙间隙是否加重牙根吸收。
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