However, two-stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error.

对应于方差参数这两种估计的回归系数的两种两步估计，它们的均方误差大致相当。

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The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

对测试数据的预测结果表明，该预测系统能够可靠工作，预测结果的均方根误差在15%左右。

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There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.

医学图像融合的效果评价方法有很多，如信息熵、 互信息、均方值、峰值信噪比和平均梯度等。

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