阶: steps; stairs差: send on an errand; dispatch淬火: quench; quenching; chilling; ...阶差: jump阶差分: difference of n-th order淬火: [冶金学] [工业] quench; quenching; chilling; dowse; (heat) hardening二阶差别图: second-order difference picture二阶差分: second difference; second order difference高阶差分: higher differences三阶差分: third difference; third order difference温度阶差: thermal taper压力阶差,压差: gradient pressure一阶差别图: first order difference picture一阶差分: first difference; first order difference一阶差分法: first difference method; method of first differences二阶差分变换: second-order difference transformation肺动脉瓣阶差: pulmonary valve gradient管道压力阶差: cannular gradient舒张中期阶差: mid-diastolic gradient心室压力阶差: ventricular gradient一阶差分方程: first order difference equation; first-order difference equation一阶差分数列: first difference series一阶差分算子: first difference operator二尖瓣舒张期阶差: mitral diastolic gradient跨肺动脉瓣阶差: gradient across pulmonic valve
