“水利水电工程等别”的概念、定义、翻译、参考文献-科学参考

单词	水利水电工程等别
释义	水利水电工程等别 Encyclopedia 工学水利水电工程等级划分释 rank of water resources and hydropower projects水利水电工程等别对水利水电工程按规模、效益及其在国民经济中的重要性所划分的工程等别。是确定工程合理使用年限和永久性水工建筑物级别的重要依据。
随便看	regular octagon regular octahedron regular octahedron group regular one parameter subgroup regular one-parameter subgroup regular open set regular operation regular operator regular orbit regular ordinal regular ordinal number regular outer measure regular packing regular pair regular parameterized surface regular parametric representation regular parametrization regular parametrized curve regular part regular partial differential equation regular patch regular path expression regular pencil of matrices regular pentagon regular permutation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。