... First-Hand Research 一手研究 First And Secondary Research 第一手和间接调查 First Nations Studies Research 民族学研究 ...
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First and secondary research. I hope that you can address this concern immediately as I find it very disturbing.
第一手和间接的调查。我希望您能尽快处理这个问题，因为我感到十分困扰。
The participants in this research project were secondary technical school students in four first-year classes in Beijing Technical School of Economics and Business.
在学期前和学期后学生完成了相同的调查问卷，并进行了英语口语的前测和后测。
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