modulus-weight ratio

例句：

1. 1. The engineer calculated the modulus-weight ratio of the new material.
   工程师计算了新材料的模量与重量比。
2. 2.In physics, the modulus-weight ratio is used to describe the stiffness of a material.
   在物理学中，模量与重量比用于描述材料的刚度。
3. 3.The scientist found that the modulus-weight ratio of the material was significantly different from that of the previous one.
   科学家发现材料的比例与前一个显著不同。