These methods help to improve convergence speed and reduce calculation amount.

该方法有助于加快收敛速度和减少计算量。

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GPS satellite position calculation is the key link of GPS navigation and positioning, calculating satellite coordinates quickly and accurately is important to improve positioning speed and precision.

GPS卫星位置计算是进行GPS导航定位的关键环节，快速准确地计算出卫星坐标，对提高GPS定位精度和速度有着重要意义。

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It is the use of large amounts of data to improve the speed of calculation.

它是使用大量的数据来提高计算的速度。

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There were no significant differences in performance between the groups at the start of the study yet TRNS was found to improve the speed of learning for both calculation and rote learning tasks.

BBC: Brain stimulation promises 'long-lasting' maths boost