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.
该文以灵敏度准则为优化设计的目标函数，建立了变形监测网混合优化设计的数学模型。
Taking the sensitivity criterion as the object function of the optimum design, the paper establishes the mathematical model for the combined optimum design of the deformation monitoring network.
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