MDM 全称：mixed dark matter。混合暗物质
数据库 数据库管理系统及其实现技术 释文 master data management, MDM 主数据管理
- longevity research
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- long exact homology sequence
- long exact sequence
- long exact sequence in K-theory
- long exact sequence in Ktheory
- long-exact-sequence-of-a-pair axiom
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