名词
中文翻译：组合方格
同义词：
['combined square', 'combinedgrid']
例句：
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1. The combinationsquare is used to calculate the area ofa polygon.
组合方格用于计算多边形的面积。
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2. The engineer used a combinationsquare to measure the length of the beam.
工程师使用组合方格测量梁的长度。
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3. Thecombination square was used to plot the coordinatesof the points on the graph.
组合方格被用来在图表上标出点的坐标。