There are more active volcanoes beneath the sea than on land by two orders of magnitude.
海底活火山比陆地活火山多两个数量级。
-- Robert Ballard 巴拉德
There are more active volcanoes beneath the sea than on land by two orders of magnitude.
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There are more active volcanoes beneath the sea than on land by two orders of magnitude.
海底活火山比陆地活火山多两个数量级。
-- Robert Ballard 巴拉德
