在水库、水电站等工程中，对于弧形钢闸门的稳行性，根据弧门的构造可将主框架视为矩形、梯形和多层三角形框架进定分析。
The stability of steel radial gates used in reservoirs, hydroelectric power stations, etc. is studied by modelling them as rectangular, trapezoidal or triangular frames.
每个元素单元都有一个包括矩形框架和三角形屋顶的简单布局。
Each elemental unit has a simple layout consisting of a rectangular box and a triangular roof.
该框架的核心是你的自行车，你会希望有一个良好的，在这个价格区间合金将是首选，碳叉，可能是碳后方三角形。
The frame is the heart of your bike and you will want a good one, at this price range alloy is going to be the first choice with carbon forks and possibly a carbon rear triangle.
然后，它在任何特定处理框架不同三角形，三角形可以在成千上万的数目，这是非常重要的。
Then it handles triangles different, triangles on any given frame can number in the hundreds of thousands so that's very important.
然后，它在任何特定处理框架不同三角形，三角形可以在成千上万的数目，这是非常重要的。
Then it handles triangles different, triangles on any given frame can number in the hundreds of thousands so that's very important.
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