以下为句子列表：
英文: According to the analysis on air quality and introduction of moulded coal character in Shuangyashan area,the necessity and feasibility of spreading moulded coal are put forward.
中文: 通过对双鸭山地区空气质量状况的分析以及对型煤特点的介绍，提出了在双鸭山地区推广型煤的重要性和可行性。
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英文: An experiment was conducted to measure and analyze five important parameters of indoor air quality (LAQ) in public such as the surroundings of food and drink in hotels, including indoor temperature, indoor relative humidity, indoor concentrations of CO2,
中文: 摘要主要针对公共场所（酒店餐饮空间）的室内温度、相对湿度、CO2体积分数、甲醛(HCHO)和总挥发性有机物(TVOC)质量浓度等5个室内空气质量的重要参数进行了检测和分析。
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英文: As to the air quality, the number of days with air quality recorded above Grade II totalled 299 last year, two days less than that of the previous year.
中文: 在空气质量方面，全年空气质量等级达到二级以上的天数为299天，比前年减少两天。
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英文: Background : The complex hospital environment requires special attention to ensure healthful indoor air quality (IAQ) to protect patients and healthcare workers against hospital-acquired (nosocomial) infections and occupational diseases.
中文: 前言：复杂的医院环境需要特别注意并确保有益健康的室内空气品质（IAQ）以保护病人和医疗人员免于院内的传染和职业上的疾病。
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英文: Based on the principle of differential optical absorption spectrometry (DOAS), a set of detecting instrument for indoor air quality is proposed.
中文: 摘要基于差分光学吸收光谱法原理，研究了一套室内空气质量检测装置。
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