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plane source
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物理
ebene Quelle
环境
Flächenquelle
f
plane-source
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技术
Flaechenquelle
f
plane source
Pollution which arises from various activities with no discrete source
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环境
Flächenquelle
f
plane source
:
3 短语
, 2 学科
光学（物理学分支）
2
剂量探测
1
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