deformation coefficient

例句：

1. 1. The deformation coefficient of the material is critical for its strength.
   材料的变形系数对其强度至关重要。
2. 2. During the manufacturing process, the deformation coefficient must be carefully controlled to ensure quality.
   在制造过程中，必须仔细控制变形系数以确保质量。
3. 3.The coefficient of thermal expansion is a measure of how much the material expands or contracts when exposed to heat or cold.
   热膨胀系数是衡量材料在受热或冷时膨胀或收缩程度的指标。