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单词
electrophilic substitution
释义
electrophilic substitution
亲电子取代作用
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rayage
ray approximation
ray approximation method
ray axis
ray bundle
ray cambial initial
ray cell
ray check
ray coordinates
ray crossing
ray curvature
ray deflection
ray deflection (type) storage tube
ray diagram
ray displacement
Raydist
ray divergence
ray effect
ray ellipsoid
ray envelop
ray equation
ray fan
ray filter
ray fleck
ray floret
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