采用的力学准则为满应变设计准则； 在整个桁架结构重量满足一定约束的前提下，通过优化各杆件截面积，达到整体柔度最小。
Under the premise of the weight of the entire truss structure satisfying certain constraints, it achieved the minimum flexibility by optimizing the cross-sectional area of the bar.
新鲜人硬脑膜的柔度最小，冻干人硬脑膜、新鲜人颅骨膜、硅橡胶膜、涤纶片的柔度依次增大。
Fresh human dura is the least compliant and then in increasing order are lyophilized human dura, fresh human pericranium, Terylene and silicon membranes.
新鲜人硬脑膜的柔度最小，冻干人硬脑膜、新鲜人颅骨膜、硅橡胶膜、涤纶片的柔度依次增大。
Fresh human dura is the least compliant and then in increasing order are lyophilized human dura, fresh human pericranium, Terylene and silicon membranes.
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