“choroplethic method”的概念、定义、翻译、参考文献-科学参考

单词	choroplethic method
释义	choroplethic method Encyclopedia 工学专题地图内容表示方法释 choroplethic method等值区域法以一定区划为单位，对各区划内专题要素的数量平均值进行分级，然后运用面状符号色彩或图案（晕线）表示该专题要素在不同区域内的数量差别的方法。此法因常用色级表示，又称色级统计图法。
随便看	gravitational deflection gravitational deflection of light gravitational differentiation gravitational displacement gravitational distortion gravitational double star gravitational drift gravitational effect gravitational encounter gravitational energy gravitational equilibrium gravitational field gravitational field of inversion of gravity gradient field gravitational focusing gravitational force gravitational freeze-out gravitational heat pipe gravitational instability gravitational interaction gravitational lens gravitational lens effect gravitational lensing gravitational lensing effect gravitational mass gravitational metaphor

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