中误差是衡量观测精度的一种数字标准，亦称“均方根差”。在相同观测条件下的一组真误差平方平均值的平方根。因真误差不易求得，所以通常用最小二乘法求得的观测值改正数来代替真误差。它是观测值与真值偏差的平方和观测次数n比值的平方根。 中误差不等于真误差，它仅是一组真误差的代表值。中误差的大小反映了该组观测值精度的高低，因此，通常称中误差为观测值的中误差。
专业释义
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root mean square error - 引用次数：2 参考来源 - 基于重构等高线的DEM误差模型研究及应用mean square error
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square-error - 引用次数：4
Furthermore, the variety characteristics according to the atmospheric refraction, deduce to square-error's calculated formula of atmospheric refraction coefficient, analyze the main influence factor to affect measuring accuracy of atmospheric refraction coefficient.
再者，根据大气折光的变化特点，导出大气折光系数中误差的计算公式，分析影响大气折光系数测定精度的主要因素。
参考来源 - 大跨径桥梁施工控制精密三维坐标定位方法研究 -
root-mean square error - 引用次数：3 参考来源 - SBG望远镜空间碎片观测精度分析
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mean square error
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双语例句原声例句
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目的研究部分线性自回归模型中误差矩的估计。
Aim to study the estimates of error moments in partly linear autoregressive models.
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并分析了相对湿度预测模型中误差产生的原因。
And discuss the reason of the error in the predicting model of the RH.
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最后，我们讨论了检测过程中误差来源及精度分析。
At the end of this article, the source of measuring error is discussed.
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As a consequence, there's a lot of variability and error in these dietary measurements.
结果就是,饮食测评中会有很多变数,和误差
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So if there's any systematic bias going on in the way these things get graded it'll smooth itself out across the teaching fellows, so we'll have a fair grading system and things.
所以,如果在评分过程中,有任何系统性误差,都会由助教们尽量纠正过来,这样就有了公平的评分系统
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as long as it's small and finite, will lead to some small infinite errors in the formula, but remember it's got to be in the end made to be vanishingly small.
只要它只是有限小,就会在公式中引起无限小的误差,但请记住,Δt最后变得难以察觉地小
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