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中国大豆栽培史
释义
中国大豆栽培史
Encyclopedia
管理学
〔中国作物栽培史〕
释
history of soybean cultivation in China
中国大豆栽培史
大豆在中国从野生品种经过演化、长期定向选择、改良驯化,到最后人工专业种植的过程和历史。大豆作为五谷之一,不仅承担着粮食作物的职责,同时也是经济作物中重要的农产品,发展至今,已经成为中国大宗农产品最重要的作物之一。
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oil production of hydraulic piston pump
oil productivity index
oil products
oilproof
oil properties
oil rape
oil recovery by electromagnetic heating
oil recovery strains
oil refining production process control systems
oil refining wastewater
oil reforming
oil repellent finish
oil-rich sag
oil sand body
oil sand exploitation
oil sands
oil saturation
oil-saving ignition technology
oil-saving lamp
oil scraping ring
oil seal ring
oilseed rape
oilseed rape downy mildew
oilseed rape germplasm resources
oilseed rape mosaic virus disease
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