The structure may be unsafe when clearance pin connections are adopted as three directional hinge support system for spherical lattice shells.

间隙销支座用作三向不动铰应用于支座所在平面为圆形的球面网壳，存在较大的结构安全隐患。

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First, a short cut welded wire solar panels in the two electrodes as a pin (Figure 3) in order to facilitate connections and fixed on the circuit board.

生产过程首先，一条捷径焊接线太阳能电池板在两个电极作为一个销钉（图3）为了方便联系和固定在电路板。

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The traditional analysis and design of steel frame assume beam-column connections are fully rigid or ideal pin connection.

传统的钢框架分析和设计都假定梁与柱的连接是完全刚性的，或是按理想铰接的。

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Keep pin mind that English means reading, writing, speaking and listening, at once. In this way, one can form complex connections between neurons and can improve the learning process.

记住，学英语意味着听说读写说用就用，这样神经元之间才能产生复杂联系，你才能提高。

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Keep pin mind that English means reading, writing, speaking and listening, at once. In this way, one can form complex connections between neurons and can improve the learning process.

记住，学英语意味着听说读写说用就用，这样神经元之间才能产生复杂联系，你才能提高。

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