By some estimates, the Sahara desert in Africa is growing at a rate of 0.5 miles per month.

据估计，非洲的撒哈拉大沙漠正以每月0.5英里的速度扩展。

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The most reliable statistics indicate that Subversion is growing at a rate of more than 200,000 downloads per month, with over 2.5 million Subversion users.

最可靠的统计数据表明Subversion正以每月20多万次的速度增长，有着250万的用户。

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The building, which is 492 metres high, opened this month with an occupancy rate of 45 per cent, higher than had been predicted.

这座492米高的建筑本月开始营业，签约入驻率达45%，超过此前的预计。

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Currently the debate is whether Internet access should be billed by the minute or at a flat rate per month.

CNN: OPINION: The push is on to deploy high-speed, always-on residential Internet access

We're putting this economy, through these governors, Mr. President, and putting this country on track to lead the world in clean coal technology which we can export -- including exporting to China, which China is building coal-powered plants at a rate of one per month -- one per month.

WHITEHOUSE: Meeting with Governors on Energy Policy

This number is growing at the rate of about 15 million per month.

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