two-step exercise test

• 阶梯试验,二阶运动试验,二级梯运动测验

two-step exercise test的用法和样例：

例句

1. After processing, the sensitometrically exposed step wedge is read on a densitometer and the data is plotted.
   加工完毕后，即用密度计对试验胶上复制的阶梯级谱的密度进行测定，然后用测得的数据作图。
2. The application values of cardiopulmonary exercise test in the evaluations of pneumoconiosis disability.
   心肺功能运动试验在尘肺劳动能力鉴定中的价值。
3. In order to study significance of impaired heart rate response,amanifestation of chronotropic incompetence to eletrocardiagram exercise testing.
   了解运动试验中心率反应迟缓即变时性机能不全的意义。