The experimental results showed that the dislocation density increased with the cumulative reduction increased.

结果表明：随着轧制过程的进行，累积变形量的增加，位错密度逐渐提高。

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When the cumulative reduction ratio reaches 30%, about 67% of the inner region of the axial forging is modified fully.

当压下率达到约30%时，随材料心部有67%的区域充分改性；

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The cumulative results predict a 60 percent reduction in energy costs and more than 9, 000 kg of CO2 (55 percent reduction) saved from a single home.

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"This welcome reduction has been the cumulative result of increased vigilance and patrolling by the littoral states and the continued precautionary measures on board ships, " the report said.

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