...后再用非监督分类，初始分类为200个类型，然后再进入Raster里操作，但菜单里的分类名称（Class Names）、类型面积（Area Column）都是灰色的，特别是想要用类型面积。我原来用时都可以的，而且去打开以前做好的文件，都可以用的，就是现在新做的东西不行。
基于4个网页-相关网页
column area 塔面积 ; 列区域 ; 栏区域
beam column node area 梁柱节点区
area column
区域列
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Only one subtotal per row area, column area, or page area can be entered in a PivotTable reference.
在数据透视表中每个行区域、列区域或页区域只能有一个分类汇总。
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