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history of crop cultivation in China
释义
history of crop cultivation in China
Encyclopedia
管理学
〔中国作物栽培史〕
释
history of crop cultivation in China
中国作物栽培史
中国原有野生植物经过驯化转为人工种植,或国外植物通过某种途径传入中国后本土化种植的过程。其作物主要包括经济作物和粮食作物,而经济作物中又包含纤维作物、油料作物、糖料作物、嗜好作物、果树、蔬菜、花卉等。
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spherical graphite
spherical group
spherical Hankel function of the first kind
spherical Hankel function of the second kind
spherical harmonic differential equation
spherical harmonic expansion
spherical harmonic function
spherical harmonic method
spherical harmonic oscillator
spherical harmonics
spherical harmonic tensor
spherical helix
spherical homology class
spherical hypersurface
spherical icosahedral-hexagonal grid
spherical image
spherical image map
spherical indicatrix
spherical indicatrix of binormal
spherical indicatrix of scattering
spherical indicatrix of tangents
spherical inversion
spherical isosceles triangle
spherical laser fusion target
spherical lateral aberration
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