【单选题】
A <{p}><{font _mstmutation="1" _msthash="20489" _msttexthash="11936470"}>投影反解<{/font}><{br/}><{/p}>
B <{ul}><{li}><{p _msthash="252616" _msttexthash="10523227"}>投影变形<{/p}><{/li}><{/ul}>
C <{p}><{font _mstmutation="1" _msthash="20490" _msttexthash="12549758"}>曲面映射<{/font}><{br/}><{/p}>
D <{p}><{font _mstmutation="1" _msthash="20491" _msttexthash="10476219"}>地图投影<{/font}><{br/}><{/p}>
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