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静脉产业
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静脉产业
以生产、流通、消费、废弃过程中产生的废弃物作为二次资源进行资源再生的产业。又称静脉经济、第四产业。
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approximate cubature
approximate degenerate kernel
approximate derivable
approximate derivative
approximated function
approximate difference equation
approximate differentiability
approximate differential
approximate differentiation
approximate discontinuity
approximate dynamic programming
approximate eigenvalue
approximate eigenvector
approximate entropy
approximate entropy, ApEn
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