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educational services
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针对教育活动所提供的包含课程开发、师资培训、教材供应、教具供应、场地供应及招生服务等的支持性工作。又称教育辅助服务。
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dictionary of written language
Dictionary of Zoology
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dictyostele
dicumarol
dicyclic
dicyclic design
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dicyclobutene
dicyclohexylcarbodiimide
dicyclohexylcarbodiimide (DCC)
dicyclopentadiene
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