Therefore, a research on the standard system of heterogeneous information retrieval under the web environment becomes an important topic of current information retrieval area.
因此研究网络环境下，异构信息检索的标准体系成为当前信息检索领域的一个研究热点。
Standard :Reservation Sales Agents are personally responsible to keep the working area tidy and clean to maintain a quiet and healthy working environment and to enhance customer satisfaction.
标准： 预订部销售文员应对自己工作区域的干净和整齐负责，以便为大家提供安静健康的工作环境并提高客人对服务的满意度。
Recent years many researchers find that the comfortable area that under the natural ventilated environment is large than is mentioned in the standard.
且近年来各国学者在热舒适现场研究领域的研究中发现，在自然通风环境下人们的舒适域远远超过了上述标准中提供的舒适域。
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