名词中文翻译
中文翻译：二阶导数
同义词：
['second derivative例句：1. The function has a binormal at the point (x', 'y).（函数在点(x', 'y)处有二阶导数。）']
例句：
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1. The function has a binormal at the point (x, y).
函数在点(x, y)处有二阶导数。
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2.The graph of the function is a straight line with a binormal.
函数的图形是一条直线，且在该点有二阶导数。
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3. The second derivative of the function is zero at the point (x, y).
函数在点(x, y)处的二阶导数为零。