椭圆旋转磁场

equal-angle transversal elliptic cylindrical projection【测】

ellipsograph【测】;elliptic trammels【测】;trammels【测】

elliptic function filter

double elliptic geometry【数】

elliptic partial differential equation【数】

three-quarter elliptic spring

elliptic trammels

incomplete elliptic integral【数】