名词
中文翻译：杜哈梅尔定理
同义词：
["Duhamel's principle", "Duhamel's rule"]
例句：
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1.The theorem states that the sum of the angles in a triangle is always 180 degrees.
这个定理表明，三角形内角之和总是180度。
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2. In mathematics, this theorem is used to prove the existence of complex numbers.
在数学中，这个定理被用来证明复数的存在。
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3.The theorem has been proven to be true for all triangles with sides of equal length.
这个定理已被证明对所有边长相等的三角形都是正确的。