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单词
propenyl group
释义
propenyl group
Chemistry
The organic group H
2
C=CHCH
2
–.
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night vision system
nihil in intellectu nisi prius in sensu
nihilism
nihonium
Nijmegen, Treaty of (1678)
Nikkei index
Nikolayev, Andrian Grigoriyevich (1929–2004)
NIL
Nile, Battle of the (1 August 1798)
nilpotent
nilradical
Nilson, Lars Fredrick
nimbo-, nimbus
nimbostratus
Nimbus
Nimeiri, Gaafar Muhammad al- (1930–2009)
Nimitz, Chester William (1885–1966)
NIMS
nine-point circle
Nineveh
Nine Years War (1688–97)
nine’s complement
ninhydrin
niobite
niobium
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