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trout culture
释义
trout culture
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农学
鲑鳟鱼养殖
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trout culture
鲑鳟鱼养殖
在人工可控环境条件下,将鲑鳟鱼苗种培养至商品规格成鱼的过程。
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positive semi-definite operator
positive semi definite quadratic form
positive semi-definite quadratic form
positive semi-definite rational function
positive semigroup
positive semiorbit
positive semi-trough
positive sense
positive sense single-stranded RNA virus
positive sequence
positive series
positive side
positive sidelight
positive sign
positive skewness
positive solution
positive species interaction
positive spinor
positive staining
positive strain energy
positive strand
positive subspace
positive supportive reaction
positive (symmetric) operator
positive symmetric operator
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