名词
中文翻译：第二差分
同义词：
['second derivative', 'second order difference']
例句：
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1. In theanalysis of a mathematical function, the second difference is often used to find critical points.
在数学函数的分析中，经常使用二次差分来找到临界点。
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2. The second difference method is a powerful tool for solving differential equations.
二次差分法是解决微分方程的一种有力工具。
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3.The second difference technique is widely used in engineering and science to analyze complex systems.
二次差分技术在工程和科学中被广泛使用，用于分析复杂的系统。