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The true prevalence of active infestation was underestimated by visual inspection by a factor of 3.5.
用目视检测得到的活动性头虱侵袭的患病率比真实的被低估了3.5个因子。
youdao
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The true prevalence of active infestation was underestimated by visual inspection by a factor of 3.5.
用目视检测得到的活动性头虱侵袭的患病率比真实的被低估了3.5个因子。
youdao