Methods Epidemiological field survey and case-control study.
方法采用流行病学现场调查和病例对照研究。
This study analyzes the effect of flow rate balancing upon indoor climate and thermal comfort in a radiant floor heating system through field survey and computer simulations.
本研究通过现场调查和计算机模拟，分析了地板辐射采暖系统中流速平衡对室内气候和热舒适性的影响。
METHODS To carry out a field epidemiological survey and etiological study on Listeriosis.
方法：定点进行了流行病学调查和病原学研究。
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