It will exploit weaknesses and failures in hygiene practices, be they down to lack of knowledge, to sloppiness, or even downright indifference to the risk.
病毒将揭漏我们卫生习惯中的缺点和弱点，如缺乏知识，随意倾倒污物，甚至完全的对危险的无视。
Conclusions the pilot's oral health care knowledge level and oral hygiene are not satisfactory although they are better then those of ground crew.
结论飞行人员的口腔保健知识水平与口腔卫生状况优于地勤人员，但仍不甚理想。
To explore an intervention measure for better indoor air quality and higher level of knowledge about air hygiene for workers in chafing dish restaurants.
了解火锅店空气卫生质量及从业人员卫生知识知晓程度现状，探讨改善空气质量、提高知晓程度的干预措施，为有关部门制定相应标准提供依据。
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