The block-structural plane model is used for constructing the statically admissible stress fields which satisfy the equilibrium conditions, boundary conditions and yield criteria.
根据下限定理，构造了满足完全平衡条件、边界条件和屈服条件的静力许可场；
The block-structural plane model is used for constructing the statically admissible stress fields which satisfy the equilibrium conditions, boundary conditions and yield criteria.
根据下限定理，构造了满足完全平衡条件、边界条件和屈服条件的静力许可场；
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