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stamp issuance
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stamp issuance
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stamp issuance
邮票发行
邮政主管部门代表国家对邮票的选题、设计、印制、发运和销售使用进行管理的全过程。狭义的概念仅指邮政企业向社会发售邮票的行为。既属于邮政业务范畴,也受国家邮政管理部门的行政管理。
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cancellability
cancellable element
cancellation
cancellation amplifier
cancellation group
cancellation groupoid
cancellation law
cancellation law for addition
cancellation law for multiplication
cancellation of collection registration
cancellation of handles
cancellation of negotiable instrument
cancellation of singularities
cancellation point
cancellation property
cancellation semigroup
cancellation subsemigroup
cancellation theorem
cancellation theory
canceller
cancelling
cancelling denominator
Cancer
cancer
cancer cell
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