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研发资本存量
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各期研发投资资本数量的积累。研发资本化的具体表现是衡量研发投入和创新水平的重要指标,能有效反映研究对象的研发实力水平。
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child oral health care
Child play
child psychology
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children abdominal pain
children accidental injury
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children affected by AIDS
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Children Education of Museum:Double Vision of Exhibitions and Educational Programs for Children
children exhibition
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children of artificial insemination
Children of China
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children of prisoners
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Children Personality Questionnaire
children-playing patterns
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