differential [measuring] instrument

例句：

1. 1.The engineer used a differentialial measuring instrument to detect the temperature gradient in the material.
   工程师使用差动测量仪器来检测材料中的温度梯度。
2. 2. The differentialial measuring instrument was crucial for ensuring accurate measurements in the chemical industry.
   差动测量仪器在化学工业中对于确保准确测量至关重要。
3. 3. The differentialial measuring instrument helped the scientist to accurately measure the displacement of the object under differentloads.
   差动测量仪器帮助科学家准确地测量物体在不同载荷下的位移。