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普通邮票
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普通邮票
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普通邮票
面值种类齐全,供邮寄各类邮件贴用的邮票。是邮票的主要类别。普通邮票多次印刷,发行量大,发售时间长,票幅较小,图案相对固定。简称普票。又称常用邮票。
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universal code
universal coding
universal coefficient
universal coefficient formula
universal coefficient theorem
universal complexification
universal compressibility factor graphs
universal computer
universal conductance fluctuation
universal conductance fluctuations
universal conductance fluctuation, UCF
universal cone
universal constant
universal construction
Universal Copyright Convention
universal coupling constant
universal coupling with spider
universal cover
universal covering
universal covering group
universal covering manifold
universal covering space
universal covering surface
universal crossed product
universal crown control mill
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