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单词
aquatic ecological label system
释义
aquatic ecological label system
Encyclopedia
农学
水产品生态标签
释
aquatic ecological label system
水产品生态标签
一种要求水产品须经过检验从而证明其生产时没有危及水域生态而贴上的标签。就本质而言,它是以市场为基础而调控水产品生产者与消费者行为的一种经济手段,谋求以该标签指导消费者的购买行为,使其除考虑价格外,还考虑产品的环境、生态及经济和社会目标相关的属性。消费者对具备生态标签的水产品与不具备生态标签条件的水产品之间的偏好差异将导致潜在价格和市场份额的不同,从而在经济上鼓励水产品生产者谋求其产品的认证,最终在提高经济效益的同时保护好生态环境。
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operator of finite rank
operator of finite trace
operator of Fourier type
operator of fractional power
operator of left translation
operator of mass
operator of multiplication
operator of nonprincipal type
operator of nuclear class
operator of potential type
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operator of right translation
operator of rotation
operator of shift
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operator precedence grammar
operator precedence parsing
operator product
operator product expansion
operator range
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