Much attention is paid to petrologic recognition marks and distribution regulation of volcanic event strata in coal bearing sequences of Taiyuan formation in the middle of North China.
研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。
The thick circle marks a successful recognition of the XPath.
粗边框的圆圈标志成功地识别了XPath。
The European move marks the first formal recognition that rich countries will need to pick up the climate change bill prior to Copenhagen.
欧盟此举标志着，一众发达国家关于是否应先于哥本哈根会召开之前为气候变化埋单首次正式达成共识。
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