The map reference is Y4.

地图编号为Y4。

《牛津词典》

To combine the scheme and classification maps for a deliverable, a higher-level map can refer to both maps using a DITA map reference (see Figure 6).

要把方案图和分类图组合起来形成可以发布的内容，可以用dita图引用，在更高层次的图中引用这两个图(请参阅图6)。

youdao

To combine the scheme and classification maps for a deliverable, a higher-level map can refer to both maps using a DITA map reference (see Figure 6).

要把方案图和分类图组合起来形成可以发布的内容，可以用dita图引用，在更高层次的图中引用这两个图(请参阅图6)。

youdao