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geographical information system ,Geo-Information system ,GIS
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geographical information system ,Geo-Information system ,GIS
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释
geographical information system ,Geo-Information system ,GIS
地理信息系统
获取、存储、检索、分析和显示空间定位数据的信息系统。又称地学信息系统。英文简称GIS。
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Valaorítis, Aristotelís
valcanic massive sulfide deposit
Valdai Hills
Valdas Adamkus
Valdemar Ⅰ
valence
valence alternation
valence alternation pair
valence analysis
valence angle
valence band
valenceband
valence band spectra
valence band structure
valence bond
valence bond configuration interaction(VBCI)method
valence bond perturbation theory(VBPT)method
valence bond self-consistent field(VBSCF)method
valence bond structure
valence bond theory
valence-bond theory
valence controllable semiconductor
valence correspondence
valence crystal
valence deflection angle
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