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文件制成的相对时间
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文件制成的相对时间
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Relative Dating of Document
文件制成的相对时间
通过与样本文件相比对而得出的文件的制成时间。即选择与检材成分一致或相近、保管条件相同或相近的文件样本,通过仪器分析来比较检材与样本的色料组分,从而判断检材与哪个样本的制成时间一致。
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watertight bulkhead
water-tight connector
water tightness
water tipper
Waterton Glacier International Peace Park
Waterton Lakes National Park
water toughening
water tower structure
water traffic control system
Water Transfer from Yellow River to Wei River
water transfer printing
Water transfer project from Datong river to Qinwangchuan district
Water Transfer Project from Hanjiang to Weihe River
Water Transfer Project from Luanhe River to Tianjin City
water transfer project from Luan river to Tangshan city
Water Transfer Project from Niulan River to Dianchi Lake
Water Transfer Project from Songhuajiang River to Changchun City
water transfer pumped storage power station
water transport
water transport and distributionengineeringof theirrigation district
Water Transport Army
water transportation
water transportation accident investigation
water transportation education
water transportation management in ancient China
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