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materials examination of document
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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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non-spectral colour
nonspectral synthesis
non-sphere particle effect on suspension velocity
non-spherical lens
non-spherical lens, aspherical lens
non-spherical particles
nonsplit extension
non-splittable
non-splitting
non-splitting conic
non-splitting representation
nonspontaneous process
non-spore-forming anaerobic bacterial infection
non-square
nonsquarefree number
non-squeezing theorem
non-stable
non-stable homotopy group
non-stable integrality theorem
non-stable star
non-stable theorem
nonstandard
non-standard analysis
nonstandard analysis
non-standard analysis; nonstandard analysis
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