“ultra wide angle lens”的概念、定义、翻译、参考文献-科学参考

单词	ultra wide angle lens
释义	ultra wide angle lens Encyclopedia 艺术学镜头种类释 ultra wide angle lens超广角摄影镜头短焦距摄影镜头中，焦距接近鱼眼摄影镜头焦距的一种镜头。
随便看	sigma bond metathesis sigma-compactness sigma-compact set sigma-compact space sigma-complete sigma-complete ideal sigma-complete lattice sigma-completeness sigma complete vector lattice sigma complex sigma discrete family sigma-discrete family sigma electron sigma field sigma-field sigma field of events sigma-field of events sigma-field of sets sigma field prior to tau sigma-field prior to tau sigma-field prior to τ sigma-field strictly prior to τ sigma-finite sigma finite measure sigma-finite measure

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