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文件材料检验
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materials examination of document
文件材料检验
运用理化检验方法,通过对文件材料的理化特性、结构形态等进行定性与定量分析,鉴别其种类、成分,确定其与已知样本是否相同或同一的专门技术。文件材料是指制作文件的各种物质材料,包括纸张、黏合剂、墨水、墨粉、油墨和书写、打印、印刷工具等。
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light connection
light cover net fishing
light cross
light crossing time
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light crude oil
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light-curing forming exposure time
light curing surface exposure forming digital micromirror
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light dependent resistor
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light directed in situ synthesis
light-directed in situ synthesis
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