专有名词
中文翻译：卡西存在和唯一性的定理
同义词：
["Cauchy's theorem", 'Cauchy-Bunyakovsky-Schwarz theorem']
例句：
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1. This mathematicaltheorem has been proven to be accurate in many cases.
这个数学定理在许多情况下已被证明是准确的。
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2. The Cauchy-Bunyakovsky-Schwarz theorem is a fundamental principle in the study of complex numbers.
卡西-布尼亚科夫斯基-施瓦茨定理是研究复数的基本原理。
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3. The Cauchy theorem states that the sum of two vectors is equal to the sum of their magnitudes.
卡西定理表明，两个向量的和等于它们模长的和。