“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	cobordant knots cobordant manifold cobordant matrices cobordant structures cobordism cobordism class cobordism group cobordism invariant cobordism of complexes cobordism of knots cobordism of links cobordism of manifolds cobordism ring cobordism theory coboundary coboundary group coboundary homomorphism coboundary mapping coboundary operator cobounded cobounded subset cobounded subspace COBRA cobra cobrotoxin

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