“China Railway Express Co.,Ltd.”的概念、定义、翻译、参考文献-科学参考

单词	China Railway Express Co.,Ltd.
释义	China Railway Express Co.,Ltd. Encyclopedia 工学〔邮政快递运营商〕释 China Railway Express Co.,Ltd.中铁快运中国国家铁路集团公司（原名中国铁路总公司）直属控股的大型铁路专业运输公司，中国AAAA级现代物流企业。成立于1993年。注册商标“CRE中铁快运”。
随便看	positive component positive cone positive contrast positive contribution positive contribution Monte Carlo method positive control positive correlation positive crystal positive current positive curvature positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator

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