大家在查： Drottning Kristina graphic method oblique coordinate system semiotic system action level parametric equation Mandelbrot Set cusp point asymptotic line implicit function

system of polar coordinates

polar... ... surface active polar [电]有效极面 system of polar coordinates 极坐标系 temporal polar artery [医]颞极动脉 ...

射手座 in English, translation,... ... 基因座 locus 极座标系 system of polar coordinates 寄生内座壳 endothia parasitica ...