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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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security association database
security association database, SADB
security association, SA
security audit
security authentication
security axiom
security check
security check and de-explosive equipment
security check for important locations
security check for important political figures
security check hall
security check of large-scale events
security check room of museum
security check system
security clearance
security command and control center of museum
Security Committee of Chinese Society of Museums
security continues education
security control
security control of power system
security controls of rock engineering
Security Council of the United Nations
security department of museum
security digit
security domain
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