“黄河宁夏段”的概念、定义、翻译、参考文献-科学参考

单词	黄河宁夏段
释义	黄河宁夏段 Encyclopedia 理学〔主要河流〕释 Yellow River of Ningxia Huizu Zizhiqu黄河宁夏段黄河流经宁夏回族自治区的河段。
随便看	covering homotopy axiom covering homotopy property covering homotopy theorem covering isotopy covering lemma covering Lie group covering linkage invariant covering manifold covering map covering number covering of a group covering of a manifold covering of a plane covering of a set covering of a space covering of a surface covering of a topological space covering of finite order covering of finite type covering of Vitali covering path covering point covering polyhedron covering problem covering projection

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