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agriculture futures
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agriculture futures
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经济学
〔农村交换〕
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agriculture futures
农产品期货
以在将来一定时间和地点,交付或接收一定规格和数量农产品的标准化合约作为交易标的物,由期货交易所作为中央对手方并组织清算的集中竞价交易。
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sewage and waste water sampling
sewage chroma
sewage depth processing
sewage disinfection
sewage flow rate monitoring
sewage fungi
sewage intercepting device
sewage irrigation
sewage irrigation and health
sewage land treatment system
sewage lifting pump control system
sewage quality
sewage reuse
sewage sewer
sewage sludge
sewage source heat pump
sewage treatment plant
Sewall G. Wright
Sewall Wright
Seward Peninsula
Sewa River
Sewell
sewerage system
sewer cleaning machinery
sewer comprehensive maintenance vehicle
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