AIM: To analyze the features of aorta atherosclerosis and cardiac functional damage, and seek the regularity.

目的：分析吸烟者大动脉粥样硬化和心功能损害特征，寻找其规律性。

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Objective To study the clinic features and the mechanism of skin damage induced by high-dose methotrexate (HD-MTX).

目的了解大剂量氨甲蝶呤(HD - MTX)化疗引起皮肤损伤的临床特征，并探讨其发生机制。

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It is concluded that the damage features of the lining concrete are related to fire source, fuel supplying mode, landscape and ventilation condition of the conflagration.

衬砌混凝土的局部损伤特征受火灾发生时的火源、燃料供给、受火区段的地形、通风等因素的影响。

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