<{p}><{font _mstmutation="1" _msthash="20488" _msttexthash="401891334"}>在专题地图表示方法中，能较好地反映制图区域某些点呈周期性现象的数量特征和变化的方法是<{/font}><{br/}><{/p}>

【单选题】
A <{ul}><{li}><{br/}><{font _mstmutation="1" _msthash="191685" _msttexthash="3898128"}>一个<{/font}><{font _mstmutation="1" _msthash="32254" _msttexthash="12426440"}>等值线法<{/font}><{/li}><{/ul}>
B <{p}><{font _mstmutation="1" _msthash="20489" _msttexthash="15374567"}>定位图表法<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msthash="20490" _msttexthash="9066265"}>质底法<{/font}><{br/}><{/p}>
D <{p}><{font _mstmutation="1" _msthash="20491" _msttexthash="8626826"}>范围法<{/font}><{br/}><{/p}>

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