从书目选书、图书现采和网上选书等方面探讨了图书选择模式。
This paper probes into several modes of book selection such as the bibliography- based selection, field selection and online selection.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。
Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
第四，推动陆地边界勘界、北部湾油气勘采和渔业合作、南海共同开发取得积极进展。
Fourth, to push for positive progress in land boundary settlement, oil and gas exploration and exploitation and fishery cooperation in the Beibu Gulf and joint exploitation of the South China Sea.
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