迄今仍保持原有的建筑风貌和历史痕迹。

So far it still keeps the original architectural style and historical traces.

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操作员对资产增加、减少、变动资料均留有历史痕迹，满足管理要求。

The operator of the asset increase, decrease, change data are left the traces of history to meet the regulatory requirements.

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对原来山墙屋顶的修复建议是保留历史痕迹，并在墙的边缘做出标志。

The proposal recovers the volume of the original gabled roof, supported on traces that marked the slabs at the edge of the front wall.

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