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单词
water self-purification
释义
water self-purification
Encyclopedia
工学
环境自净
释
water self-purification
水体自净
受污染的水体在物理、化学、生物等作用下,污染物浓度逐渐降低,经一段时间后恢复到受污染前状态的自然现象。有时专指水体中微生物氧化分解有机污染物而使水质净化的作用。
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Silvia Rose Cartwright
silvicultural costs
silvicultural machinery
silvicultural system
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silviculture
Silvio Berlusconi
Silvio Pellico
silvopastoral ecosystem
Silybum marianum bacterial soft rot
silybum marianum seed oil
silylamide
silylation
silylene
silylenolether
silylformylation
silylimine
silylium cation
silyl radical
silymarin
silyne
SIM
sima
Sima Chengzhen
Sima Fang
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