Leading technology, greater experience, first class service, according to “people foremost, Precision roots, Sincerity basicly”, Heart users to buy and use them is the aim has always we assured.
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precision roots
精密的根
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Furthermore, even if the exact characteristic equation can be obtained, we could not compute the roots of the equation in the demanding precision.
进一步，即使可以精确地得到特征方程，我们依然无法在有限精度的限制下去计算方程的根。
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