曲面: hook face; curve; curved sur ...的: 4次方是 The fourth power of 2 i ...第二: second基本: basic; fundamental形式: form; shape; layout; modalit ...第二基本形式: second fundamental form曲面的第一基本形式: first fundamental form of surface基本形式: basic form; citation form; dominant mode; elemental form; fundamentalform fundamental form; ground form; grundform, die; - en; primitive form基本型, 基本形式: fundamental form第三基本形式: third fundamental form第一基本形式: first fundamental form基本形式模式: basic formal pattern螺纹基本形式: basic form of thread; basic thread form商业基本形式: basic from of business四种基本形式: four basic forms曲面的基本型: fundamental forms of a surface乙炔发生器的基本形式: basic types of acetylene generators基本形: primitive form第二基地: second foundation第二基地，06: secondfoundation第二基室: second basal cell; second busal cell资本形式: formation of capital; forms of capital埋弧焊焊缝坡口的基本形式和尺寸: basic forms and sizes of weld grooves for submerged arc welding叠置基本形: superposed fundamental form二维基本形: two dimensional fundamental form; two-dimensional fundamental form
