词汇	symmetric ring
释义	symmetric ring 对称环
随便看	quadratic phase mismatch quadratic phase term quadratic planning quadratic pole quadratic pole and zero quadratic polynomial quadratic polynomial in one variable quadratic polynomial model quadratic polynomial regression Quadratic polynomials quadratic polynominal quadratic potentiometer quadratic preference aggregation function quadratic pressure hydroteehny quadratic pricing model quadratic probing quadratic problem quadratic profiles quadratic program quadratic programing quadratic programmes quadratic programming quadratic-programming quadratic programming estimator quadratic programming method