Existing Grid security certificate models include: centralized ca (certificate Authority) model, multi-CA model and crossed certificate model.
现有的网格安全认证模型有集中式层次认证模型、多CA结构的模型和混合交叉认证模型。
Based on fatigue test of crossed plate-welded hollow spherical joints of flatbed grid structure, the author has designed welded hollow spherical joints.
本文以平板网架结构十字板-球节点为研究对象，设计了用于疲劳试验的焊接空心球节点试件。
Based on fatigue test of crossed plate-welded hollow spherical joints of flatbed grid structure, the author has designed welded hollow spherical joints.
本文以平板网架结构十字板-球节点为研究对象，设计了用于疲劳试验的焊接空心球节点试件。
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