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structual theory of chemistry
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structual theory of chemistry
Encyclopedia
理学
〔化学术语与理论〕
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structual theory of chemistry
化学结构理论
阐述形成化合物的原子在分子中相互结合、相互影响,以及与该化合物性质之间关系的理论。
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railway subgrade engineering
railway subgrade maintenance
railway subgrade non-destructive detection
railway switch transition equipment
railway tank car
railway tanker
railway technical station
railway terminal
railway ticket
railway timber transportation
railway time synchronization network
railway track
railway track maintenance and renewal
railway traction network
railway traffic accident
railway traffic capacity
railway traffic control
railway traffic hygiene quarantine
railway traffic volume
railway train traction calculation
railway transmission network
railway transportation
railway transportation asset and resource
railway transportation cost
railway transportation development
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