名词
中文翻译：Unknown
同义词：
['square', 'rectangular例句：1. The T-square is used to measure the angle between two lines.（T型尺用于测量两条线之间的夹角。）2. In a T-square', 'the diagonal line divides the square into four equal triangles.（在T型尺中，对角线将正方形分成四个相等的三角形。）']
例句：
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1. The T-square is used to measure the angle between two lines.
T型尺用于测量两条线之间的夹角。
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2. In a T-square, the diagonal line divides the square into four equal triangles.
在T型尺中，对角线将正方形分成四个相等的三角形。
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3. The engineer used the T-square to check the accuracy of his measurements.
工程师使用T型尺来检查他测量的准确性。