词汇	pretesting research
释义	pretesting research 预试研究
随便看	Independent Trading Pattern independent trangulation independent transfer independent transfoermer substation Independent transposition independent travel independent travel builds self-confidence independent traveler independent travelers independent traveller independent treasury independent treasury system independent trial independent trial process independent trials independent triangulation net independent trip independent trip channel independent trustee independent-t-test independent turned back independent tv independent type independent type keyboard independent type spark-coil