Bibliographical information is the most stable and reusable part in information resource system.
文献信息是信息资源体系中最为稳定并可重复利用的部份。
Water energy, clean and reusable energy, is the important composing part of the water resources.
水能资源是水资源的重要组成部分，水能是清洁可再生能源。
Water energy, clean and reusable energy, is the important composing part of the water resources.
水能资源是水资源的重要组成部分，水能是清洁可再生能源。
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