The researchers excluded 2/3 of the original participants, because they didn't seem to have any clear learning style from the survey at the beginning.

研究人员排除了三分之二的最初参与者，因为他们在调查开始时似乎没有任何明确的学习风格。

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The survey was repeated in 2007 and 2008, with about three-quarters of the original group taking part in all three.

2007年和2008年都重复进行了这项调查，第一次受访的儿童有四分之三都参与了这三次调查。

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Survey or original research results can serve the same purpose, if they turn out to be useful for the target audience.

如果调查和研究结果对目标访问者有用，那么它们也能起到同样的作用。

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Dr McConway, of the Open University, studied the original survey data Unicef used to compile its report.

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The Forestry Commission will survey an extended area around the original infested site in March and tree spraying will begin in April.

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