Simulation method of directional drilling course was discussed under limited survey point data, and the reliability of simulation method was analyzed with cases.

在测点数据有限的情况下，探讨定向钻孔轨迹的模拟方法，并通过实例分析模拟方法的可靠性。

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A case in point is the study by Linda Sax at UCLA, who used data from a large national survey of college freshmen to evaluate the effect of single-sex versus coeducational high schools.

加州大学洛杉矶分校的琳达·萨克斯的研究就是一个恰当的例子，她利用了一项全国性的大一新生调查来评估单性别高中和男女混合高中的效果。

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A number of leading indicators and survey data suggest that the recovery is proceeding weaker than expected, although they continue to point to economic expansion.

大量先行指标和调查数据表明，虽然欧元区经济正在继续复苏，但其步伐不及人们的预期。

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Rather, they point to a 1998 International Data Corp. survey of emerging markets, which predicted that Web-based training is poised to explode.

CNN: Kaplan is starting an online college -- minus the keggers