This was to occur with progress in the development of the steam engine.

这是随着蒸汽机的发展进步而发生的。

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Progress in the development of renewables could be fragile, however, if fossil fuel prices remain low for long.

然而，如果化石燃料价格长期保持低位，可再生能源的发展进程可能会非常脆弱。

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This paper reviews new progress in the development of its formation technologies and applications in recent one or two years.

文中综述了近一两年来光纤光栅制作技术及其应用的最新进展。

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This has not been matched by progress in the development or distribution of new drugs.

ECONOMIST: Malaria: Four horsemen of the Apocalypse? | The

"Across Sub Saharan Africa, there is a general awareness that the last decade has witnessed unprecedented progress in the development of education, " says Zulmira Rodrigues, Education Coordinator for Africa in UNESCO's Regional Office in Dakar.

UNESCO: EDUCATION

The Leaders held candid and constructive discussions culminating in a declaration that reflects real progress on the road to the Copenhagen climate conference in December and real progress in paving the way for the development and deployment of transformational technologies.

WHITEHOUSE: THE WHITE HOUSE