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weather and food price report
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weather and food price report
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管理学
〔区域农业〕
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weather and food price report
雨雪粮价奏报
将各地雨雪变化与粮价升降一同写入奏折中,呈报中央朝廷的制度。于清康熙(1662~1722)年间正式确立,随着清王朝的灭亡而终止。是世界上仅有的对地方天气变化和粮食价格进行监测并呈报的制度。
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magnetic hysteresis
magnetic hysteresis alloy
magnetic hysteresis loop
magnetic hysteresis loop, hysteresis loop
magnetic hysteresis loop of type II superconductor
magnetic hysteresis loop of type Ⅱ superconductor
magnetic hysteresis loss
magnetic hysteresis power loss
magnetic immunochromatographic test strip
magnetic immunosensors
magnetic impurity
magnetic inclination
magnetic index
magnetic induced polarization effect
magnetic induction
magnetic induction hyperthermia
magnetic induction imaging
magnetic induction line
magnetic induction thermotherapy
magnetic information material
magnetic instability
magnetic instruments
magnetic insulator
magnetic intensity
magnetic interaction
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