“express mail service”的概念、定义、翻译、参考文献-科学参考

单词	express mail service
释义	express mail service Encyclopedia 工学〔快递服务〕释 express mail service；EMS邮政特快专递邮政企业采取最快发运速度、专门处理手段及专人直接投递的邮件传递方式。
随便看	commutative superalgebra commutative valuation commutativity commutativity condition commutativity relation commutator commutator algebra commutator calculus commutator closed group commutator factor group commutator group commutator ideal commutator identity commutatorless motor commutator operation commutator product commutator quotient group commutator series commutator subgroup commute commuter’s bus and subway discounts commuting commuting elements commuting endomorphisms commuting extensions

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