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邮政史
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邮政史
Encyclopedia
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postal history
邮政史
邮政发展的历史。邮政是依赖实物传输网进行书面通信和快速送达小件物品的系统。“邮”指通信方式和组织,“政”指由国家政权进行统治。数千年来,绝大多数邮政系统为政府运行。至今,邮政大力发展,已经具有通政通民通商的特征,也是国民经济运行不可或缺的行业。
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smooth flow
smooth foliation
smooth function
smooth functional
smooth graph
smooth homeomorphism
smooth homotopy
smooth hypersurface
smoothing
smoothing approximate function
smoothing capacitor
smoothing choke
smoothing choke coil
smoothing cofactor conformality method of multivariate spline
smoothing cofactor-conformality method of multivariate spline
smoothing condenser
smoothing effect
smoothing factor
smoothing formula
smoothing function
smoothing functional
smoothing kernel
smoothing method
smoothing of corners
smoothing of digital
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