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goldfish
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金鱼
释
goldfish
金鱼
硬骨鱼纲鲤形目鲤科鲤亚科鲫属。是野生红鲫在长期人工饲养及选育下家化而成的观赏鱼。被称为中国的“国鱼”。在鱼类进化史上,金鱼是唯一一类由人工选育而成的各个外部器官均发生明显变异的观赏鱼品种。
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external-combustion engine
external common tangent
external composition
external composition law
external compression inlet
external conical refraction
external contact
external-conversion
External corporate entrepreneurship
external corrosion direct assessment
external corrosion of oil and gas pipeline
external counter pulsation and auxiliary circulating device thereof
external curvature
external cylindrical grinding machine
external data representation
external data representation, XDR
external digestion
external direct product
external direct sum
external diseconomic regulation
external disturbance
external division
external dosimetry
external drag
external ear
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