In general, experience has shown that third-to fifth-degree polynomials produce sufficiently low residuals and monotonically increasing derivatives . 实践证明，三至五次多项式就能产生足够小的残差和单调递增的导数。
How it would prove in practice - there was the rub 实践证明如何呢- -一定会有冲突。
Practice proved sports and games of great value 实践证明体育运动很有价值。
Experiment proves this formuler is feasible 实践证明，该公式是行之有效的。
Its effectiveness is proved feasible and practical 实践证明了模型和方案是行之有效的。
The practice approved that it is safe and economical 实践证明，取得了安全、经济的效果。
The corrosion problems were solved by these measures 实践证明，采取措施后，腐蚀问题基本解决。
The method was proved to be effective 实践证明该方法是有效的。
Experience has shown that the method is feasible and fast 实践证明了这种方法的快速性与实用性。
