阶梯梯度洗脱
stepwise gradient elution
高阶高斯光束
high-order Gaussian optical beam
阶梯高分布
ladder height distribution
容许台阶高度
The allowable differential settlement between the bridge and the embankment
一阶梯度向心率
first-order gradient centripetal rate
栅源台阶高度
step between gate and source region