以下为句子列表：
英文: Finally, we pointed out that the ecological law of publishing ecology should be studied from all its different layers, i. e. the individual publishing media, the publishing population, the publishing community, and the publishing ecosystem, and the focus
中文: 提出了出版生态学应当从个体、种群、群落和生态系统的层次研究出版生态规律，而以出版生态系统为研究重点，探索优化出版生态系统、保护出版生态平衡、保证出版业可持续发展的途径。
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英文: On the basis of the physical principles and characters of nondestructive testing (NDT) methods, as well as the metrological law and the definition of metrological instrument, it is concluded that nondestructive flaw detectors are not metrological instrume
中文: 分析无损检测的原理和特征，根据计量法和计量器具定义得出无损探伤仪不是计量器具的结论。
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