specific stiffness meaning in English

比刚度
单位刚度

Development of lattice materials with high specific stiffness and strength
轻质高强点阵材料及其力学性能研究进展
As the lightest constructional material , magnesium alloy has high specific strength , high specific stiffness , good magnetic - shielding ability , good damping ability , and good machinability
镁合金是比重最轻的结构材料，具有高的比强度、比刚度和良好的磁屏蔽性、阻尼性、切削加工性等优点。
Compared with traditional optical materials , the specific stiffness of sic is much bigger . if the structural dimension is the same , the lightweight extent of sic components is the highest . furthermore , sic have these merits of low thermal distortion , excellent optical performance , isotropy , innocuity and molding for complex shape
与传统光学材料相比， sic的比刚度最大，在尺寸相同的条件下，其轻量化程度最高；此外，它还具有热变形系数小、光学性能好、各向同性、无毒、能够实现复杂形状的近净尺寸成型等优点，因而成为空间反射镜的首选材料。