排水系统和公共浴池的出现表明了高标准的卫生学与卫生设施，以及有独创性的规划。

The presence of drainage systems and public baths showed advanced standards of hygiene and sanitation and ingenious planning.

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结果 对桂林市21家宾馆饭店随机抽取255份食品类样品和餐饮具样品，按照国家标准进行卫生学检测分析。

Results In accordance with national hygiene standards, 255 food, tableware and cooking utensil samples were randomly selected from 21 hotels in Guilin and detected.

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方法对桂林市21家宾馆饭店随机抽取255份食品类样品和餐饮具样品，按照国家标准进行卫生学检测分析。

Methods in accordance with national hygiene standards, 255 food, tableware and cooking utensil samples were randomly selected from 21 hotels in Guilin and detected.

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