对代数方程,即多项式方程,方程P(x) = 0有根x = t则说明P(x)有因子(x - t),从而可做多项式除法P1(x) = P(x) / (x-t)结果仍是多项式。若P1(x) = 0仍以x = t为根,则x = t是方程的重根。
... double roller chain coupling || 滚子链联轴器 double root || 重根 double rotor-stator stepper || 双定(子双)转子步进电动机 ...
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该文还阐明了对二阶对称张量成立的关于特征方程的重根与重向的一些结论对非对称二阶张量不一定成立。
The paper illustrates the conclusions about the multiple root of characteristic equation and characteristic vector which fit symmetric tensor of rank two may unfit unsymmetric tensor.
你如何将植物纤维一个个地用手折断,然后把它们变成一根足够结实到可以系住一艘重达数千吨的船的绳子呢?
How do you take plant fibers that individually you could break with your hands and turn them into a rope that's strong enough to moor a ship that weighs thousands of tons?
据官方通讯社报道,俄罗斯当局已经找到了170多根金条,每根重20公斤。
According to the official news agency, Russian authorities have recovered more than 170 gold bars weighing 20 kilograms each.
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