刚塑性阶梯形截面悬臂梁
rigid plastic stepped cantilever beams
L形外特性
L shaped output characteristic
等效双梯形曲线
equivalent dual-trapezoid curve
视前区性双形核
Sexually dimorphic nucleus of the preoptic area
双阶梯波调制
dual ladder-wave modulation
双阶梯水平截骨
two-step horizontal osteotomy
双阶梯水平井
double stair horizontal well
双阶梯阴极结构
Double ladder cathode structure
急性阶梯式左旋多巴试验
acute stepwise levodopa challenge test