几项国际研究都显示，实行服务业自由化可能会带来实质性的收益。
Several international studies suggest that the gains from liberalizing services could be substantial.
而长期以来，一直困惑自由曲面精加工取得实质性突破的关键问题之一，就是加工工具的运动位姿控制问题。
But for a long time, one of the key questions which puzzled free surface precision machining obtaining substantive breakthrough, is machining tool's movement pose control problems and so on.
西方神话强调的是人的自由性和人的本性，所架构下的神界和人界具有对话性，可以展开实质性对话。
But in the structure of occidental mythology dialogue exists and the essential dialogues can be achieved between human world and divine world, in which freedom and human's nature is emphasized.
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