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ON ICE SHEET HEIGHT CHANGES OVER ANTARCTIC FROM ALTIMETRY DATA
chu yonghai1; 2); li jiancheng1; 2); zhao xiangfang3); ma jing4); jin taoyong1) and xing lelin1; 5)1) school of geodesy and geomatics; wuhan university; wuhan 4300792) key laboratory of geospace environment and geodesy; ministry of education; wuhan university; wuhan 4300793) quality supervision and inspection department of product of surveying and mapping; liaoning province; shenyang 1100154) hubei water resources technical college; wuhan 4300705) institute of seismology; cea; wuhan 430071
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A NEW METHOD FOR 3D CIRCULAR OBJECT FITTING
pan guorong1; 2) and chen xiaolong1)1)department of surveying and geo-informatics; tongji university; shanghai 2000922)key laboratory of modern engineering surveying of sbsm; shanghai 200092
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