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tribrach
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tribrach
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水准仪、经纬仪、全站仪和激光扫描仪等测绘仪器的安放调整机构。通常由上连接座、三个脚螺旋组件、脚螺旋压板和下连接板等零部件组成。
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ultraclosed
ultracold molecule
ultracold neutron
ultra-compact dwarf galaxy
ultracompact galaxy nucleus
ultracompact HⅡ region
ultraconvergence
ultracrystallite
ultradeep-field observation
ultra-deep well fracturing
ultradense neutron star
ultradense object
ultradifferentiable function
ultra diffuse galaxy
ultradistribution
ultradivisor
ultradyne
ultra-early weaning
ultra-elliptic
ultra-elliptic differential equation
ultra-elliptic equation
ultra-elliptic integral
ultrafactorial
ultrafast
ultrafast capillary electrophoresiss
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