在同一时期内，X 射线光源亮度的增加速度要快得多。
The increase in brightness of the x-ray sources over the same period has occurred far faster.
由于人类生产和消费活动的急剧增加，生态系统正在加速恶化。
The deterioration of the ecological system is accelerating because of the dramatic increase of human production and consumption.
为人所知的是，不断增加的重力会加速细胞数量的递增。
Increasing gravity is known to speed up the multiplication of cells.
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