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百万分之一千

百万分之一千

百万分之一千

百万分之一千

1

We should be up to a thousand in three centuries at the most , but my friend David Battisti in Seattle says he thinks a hundred years.

我们最多能在 300 年后保持在百万分之一千，但我在西雅图的朋友 DavidBattisti 说他认为一百年就差不多了。

2

Concentrations in sunlit soil might average about 1 , 000 parts per million, the equivalent of roughly a quart of water per ton of material .

可以对平均百万分之一千的受阳光照射土壤进行压缩，相当于每吨物质中包含一夸脱的水。

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