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primary industry
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primary industry
Encyclopedia
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primary industry
第一产业
以利用自然力为主,生产不必经过深度加工就可消费的产品或工业原料的部门。是按“三次产业分类法”划分的国民经济中的一个产业部门。又称第一次产业。
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Bose sampling computational model
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Boshan’s Comments on Poetry
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Boshkovich
Boshkovich circle
Boshula Ling
Bositeng irrigation district
Bosman Bill
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Bosnia-Herzegovina War
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boson
boson fermion correspondence
boson-fermion correspondence
boson Fock space
Bosonic string
bosonic string
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