名词
中文翻译：旋转导数
同义词：
['rotary derivative', 'rotary derivative', 'rotary derivative例句：1. The rotary derivative of the function f(x) is defined as the limit of the sum of the first n terms of the series expansion of f(x).（函数f(x)的旋转导数定义为f(x)的级数展开的前n项和的极限。）']
例句：
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1. The rotary derivative of the function f(x) is defined as the limit of the sum of the first n terms of the series expansion of f(x).
函数f(x)的旋转导数定义为f(x)的级数展开的前n项和的极限。
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2. In this case, the rotary derivative is a useful tool for solving differential equations.
在这种情况下，旋转导数是解决微分方程的一种有用的工具。
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3. The rotary derivative is also used in the study of fluid dynamics and heat transfer.
旋转导数在流体动力学和传热学研究中也有所应用。