dynamic mechanical loss tangent

例句：

1. 1. The dynamic mechanicalloss tangent is a critical factor indetermining the efficiency of a machine.
   动力机械损失角是决定机器效率的关键因素。
2. 2. Theengineer used this formula to calculate the dynamicmechanical loss tangent of the new design.
   工程师使用这个公式来计算新设计的动力机械损失角。
3. 3. The company's research teamhas developed a new model that accurately predicts the dynamic mechanical loss tangent forvarious materials.
   公司的研发团队开发了一种新模型，能够准确预测各种材料的动力机械损失角。