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environmental problems
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environmental problems
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environmental problems
环境问题
由于人类活动作用于周围环境所引起的环境质量和自然资源的变化,以及这种变化对人类的生产、生活和健康造成的影响。
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positive quadratic form
positive quantity
positive ray function
positive real axis
positive real control
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positive real part
positive real system
positive recurrent point
positive recurrent state
positive reinforcement
positive relation
positive result
positive root
positive root system
positive rotation
positive school of criminology
positive selection
positive self-adjoint operator
positive self-regard
positive semi-definite
positive semi-definite form
positive semi definite Hermitian matrix
positive semi-definite Hermitian matrix
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更新时间:2025/3/17 13:55:19