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agriculture in Guanzhong region
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agriculture in Guanzhong region
Encyclopedia
管理学
〔区域农业〕
释
agriculture in Guanzhong region
关中地区农业
关中地区生产农产品的社会生产活动。是关中地区的基础产业和第一产业。关中地区主要包括陕西省中部地区,位于“四关(东潼关、南武关、西散关、北萧关)”之内,介于秦岭和陕北黄土高原之间的渭河平原,主要城市有西安、宝鸡、咸阳、渭南、铜川等。
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photon number squeezed state
photon-number squeezed state
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photon orbital angular momentum multiplexing transmission system,POAMMTS
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photon-photon absorption
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photon scanning tunneling microscope
photon scanning tunneling microscope, PSTM
photon scanning tunnel microscope
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photon sieve telescope
photon sphere
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