But an unexpected fact was noted: certain minerals( pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
但是一个意外
事实引起了我注意：某些
物质(
物质、云母或钙云母)活
比根据其或针含量所判
高。
云母But an unexpected fact was noted: certain minerals( pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
但是一个意外事实引起了我注意：某些物质(物质、云母或钙云母)活比根据其或针含量所判高。
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