The coalbed and coal - rich zone was an effects which the factor of coal accumulation process systematic action.

煤层和富煤带的形成是聚煤作用因素系统作用的结果。

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You must know that the formation of a traditional festival is a long-term accumulation process of the national history.

须知，传统节日的形成是一个民族或国家的历史文化长期积淀的过程。

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Oil and gas source correlation and oil accumulation process are studied through the integrated geochemistry and petroleum geology study.

根据地球化学和石油地质综合研究，对其油气来源和成藏过程进行了分析。

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"It must be remembered that diversification--the selling of U.S. dollars by central banks--has been taking place consistently during the entire reserve accumulation process, " Galy said.

FORBES: Currencies

While the internal contradictions of the BWS were its ultimately its down fall, the external pressures of the debt accumulation caused by Vietnam War accelerated the process of its demise.

FORBES: Our Fiat Dollar Has Cost the United States $80 Trillion

The process of making these decisions comes from an accumulation of experiences and encounters with a multitude of difference circumstances, personality types and unforeseen failures.

FORBES: The Most Successful Leaders Do 15 Things Automatically, Every Day