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nationa leveling network
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nationa leveling network
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高程控制网
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nationa leveling network
国家水准网
在全国领土范围内,由一系列按国家统一规范布设和测定高程的水准点所构成的网。为国家经济建设、国防建设和科学研究提供地面点高程,也为天文大地网、地形图测制提供高程控制。又称国家高程控制网。
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family accessible design
family allowance
family archives
Family Assistance Plan
family-based social work
family block-printed edition
family business
Family Business Financing
Family business Governance
Family business succession
family business sustained managemnt
family care
family care for the age
family caregiving
Family Cemetery of Western Han Dynasty at Fengqiyuan
family-centered community
Family Change
family commune
family communication theory
Family Compact
family conflict theory
family constellations
Family Constitution
family contract system of public grassland
family control
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