The reluctivity matrix is obtained by using the trigonometric function transformation and the form of coefficient matrix is simplified.
该方法适用于任意阶多项式描述磁化性谐波电磁场问 题求解，并提高了计算精度。
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Polynomials could also be used to approximate logarithmic and trigonometric functions, which are a real hassle to calculate by hand.
多项式也可以用于近似对角函这些函手算相当麻烦。
And more complex operations, like a trigonometric function, could take over a minute.
而更复的像角函之类的操作，可能要超过一分。
She told her principal and the Riverside Unified school district, she was acting out the SO-CHA-TO, an acronym for the three basic trigonometric functions.
河滨市统一学区及其校长解释，自己是在演示SO-CHA-TO， 即个基本角函的缩写。
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划词翻译
详细解释
角函
的像
。
河滨市统一学区及其校长解释，自己是在演示SO-CHA-TO， 即
个基本
