单词	级方程
释义	级方程polar equation
随便看	parallel of declination parallel offset route parallel of latitude parallelogeotropism parallelogram parallelogram condenser parallelogram identity parallelogram inverter parallelogram law parallelogramm parallelogramm der kräfte parallelogram method parallelogram of force s parallelogram of forces parallelogram of period parallelogram pantograph parallelogram rule parallelograms parallelogram theorem parallelogram-type ripper parallelohedral structure parallelohedron parallel ohmmeter parallel olympics paralleloneurum cilifemoratum