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preventive conseration of documents
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preventive conseration of documents
Encyclopedia
管理学
文献保护技术
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preventive conseration of documents
预防性文献保护
为避免或减少文献未来的受损或减缓其退变速度而采取的措施和方法。信息系统
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surface mount technology
surface mount technology, SMT
surface mulching techniques
surface multiplication factor method
surface nanocrystallization
surface nonlinear optics
surface normal
surface nuclear explosion
surface nuclear magnetic resonance sounding
Surface Ocean-Lower Atmosphere Study
surface of a cone
surface of a cylinder
surface of a prism
surface of a pyramid
surface of a section
surface of centers
surface of ceramics
surface of class r
surface of coincidence
surface of congruence
surface of constant breadth
surface of constant curvature
surface of constant geopotential
surface of constant phase
surface of constant width
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