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fisheries in the United Kingdom
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fisheries in the United Kingdom
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农学
英国渔业
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fisheries in the United Kingdom
英国渔业
英国四面环海,海岸线绵长,且位于世界第二大渔场——东北大西洋渔场的中央,渔业资源丰富,是欧洲重要的捕捞渔业国家之一。据联合国粮食及农业组织资料,英国海洋渔业资源在20世纪50年代即高度开发,直至70年代产量一直维持在100万~120万吨。80年代以后,英国捕捞渔业产量逐步下降,到2010年前后产量只有60万吨左右。
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measurement of laser power or energy
measurement of length
measurement of lightning current with coaxial shunt
measurement of lightning current with Rogowski coil
measurement of line profile not related to a datum
measurement of line profile related to a datum
measurement of longitudinal mode
measurement of loss of optical fiber
measurement of loudness
measurement of lower limb bones
measurement of lower limb muscle
measurement of magnetic field intensity
measurement of magnetic fields
measurement of magnetic properties
measurement of magnetic quantities
measurement of magnetic screen
measurement of mineral magnetism
measurement of Ming Great Wall
measurement of momentum distribution
measurement of motor parameters
measurement of multiple degree of freedom with spectrometry method
measurement of neck muscle
measurement of numerical aperture of multimode fiber
measurement of operating parameters of pumping station
measurement of optical elements surface deviation
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