The correction of the observation is obtained by the interation with gradient projection method and a simple calculation example is given to verify it.

本文以梯度投影法迭代直接求解出观测值的改正数，并在最后给出一个简单算例，以资验证。

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The vector projection method is a graphical technique for motion analysis to the plane mechanism.

向量投影法是一种对平面机构进行运动分析的图解方法。

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The new projection USES a different method of calculating future rates, which takes better account of local trends.

这份新的人口展望报告使用了一种与以往不同的方法来计算今后的人口生育率，这种方法充分考虑了各地不同的趋势。

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Whereas your reported projection relied on a single poll question about people's second preferences, our method was to interview 8, 400 people across 18 different regions of Britain immediately after the May 1st general election.

ECONOMIST: Prescient