大会的主题“从想法到实现”与这期间中的困难和不确定有很大关系。

The theme of the Conference 'From Idea to Implementation' is very relevant in this period of difficulty and uncertainty.

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对“十一五”期间中国煤炭需求、生产能力、煤炭运销和煤炭市场形势进行了预测和分析。

It makes prediction and analysis on China's coal demand, production capacity, transportation and sale as well as coal market situation.

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这段时期在中国是1990年至2005年，期间中产阶级的人口份额从15%飙升至62%。

That stage was reached in China some time between 1990 and 2005, during which period the middle-class share of the population soared from 15% to 62%.

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But in the course of history, we settled beginning in the sixteenth and seventeenth century, down into just two patterns: what we call the major pattern and the minor pattern.

但在历史的发展过程中,在十六到十七世纪期间,人们最终确定了下列两种模式,我们称之为大调模式和小调模式

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