。數據(topojson.feature(uk，uk . objects . subunit)。功能)
。輸入()。追加(“文本”)
。attr("class "，function(d){ return " subunit-label "+d . id；})
。attr("transform "，function(d){ return " translate("+path . centroid(d)+")；})
。屬性(" dy "，" . 35em ")
。text(function(d){ return d . properties . name；})