自2000年以来，新兴经济体对全球原油需求增加的贡献率超过了100%，而发达国家的原油消费量则有所减少。

Emerging economies have accounted for more than 100% of the increase in global oil demand since 2000, while oil consumption in rich countries has declined.

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这些消费群体可以保证，在这些国家里，消费对GDP增长的贡献率将继续维持在50%。

These consumer groups ensure that consumption will continue to account for 50 per cent of GDP growth in those countries.

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许多国家研制的训练大纲或训练模式中，都用助跑贡献率作为检验运动员标枪技术实效性的标准与方法。

The study of approach contributory rate to the javelin technique, as an important way to reflect the level of javelin technique, is more common in every country of the world.

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