“mean equinox”的概念、定义、翻译、参考文献-科学参考

单词	mean equinox
释义	mean equinox Encyclopedia 工学天球坐标系统释 mean equinox平春分点仅考虑岁差影响的黄道和赤道，分别称为平黄道和平赤道，相对应的春分点。 Astronomy mean equinox平春分点
随便看	steelmaking slag steel mesh welding machine steel moment resisting frame steel penstocks of hydroelectric stations steel pier for emergency repair of railway steel pile column digital verticality adjusting of the top-down construction method steel pipeline-up and weld steel pipe manufacture steel plate steel-plate pile support steel plate shear wall framed structure steel plate wall steel portal frame steel products steel ratio coefficient steel reinforced concrete composite beam steel reinforced concrete composite column steel rope for mine Steel Sabre Inscribed with CharactersSa Lian from Cangshan Steels Arrowheads of Cast Iron Decarburized in Solid State from Han Dynasty Tomb at Mancheng steel ship steel slag steel sleeve extrusion machine steel sticking on gun steel strip

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