acute gastroenteritis短语¹⁴⁴⁹⁷²⁺² 基本例句 急性胃肠炎 Objective To summarize the experience dealing with unknown diseases by the investigation and confirmation of collective acute gastroenteritis with Norwalk-like virus. 目的通过对诺瓦克样病毒胃肠炎集体爆发的调查和证实，总结处理不明原因疾病的经验。 cnki