但这两种半导体连接起来的时候，它们之间就形成一个P - N结。
But when these two semiconductors are connected, they form a P-N junction.
一个平结是一个快速的结，可连接两种不同的方法。
A square knot is a quick knot that can be tied two different ways.
无论从坝体的永久位移还是筋层轴力分布角度，坝内筋端的铰结连接方式要好于自由连接方式。
Whether permanent displacement of dam or the axial forces of anchor, the rigid attended mode is better than the free attended mode.
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