以下为句子列表：
英文: According to projection features and projection characteristics of the boss-eyed plane, we can adopt the way of analyzing the line frames from the projection of an object surfaceto analyze the combination shape and hence construct the three-dimensional dr
中文: 根据可视面的投影性质和投影特征，可采用“表面框分析法”对组合体形状进行分析，从而确定三维立体图。
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英文: The clothing has become so protective, though, that officials modified masks a few years ago to return a human faceto the event.
中文: 击剑选手服装的保护性不断加强，以至于几年前，竞赛官员们不得不对防护面具加以改进，以便让击剑运动恢复“人性化面貌”。
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英文: Study on the Synthesis of p- Methoxy-α-Bromoaceto Phenone
中文: 对甲氧基-α-溴代苯乙酮的合成研究
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