画直线或者折线。
Basic shapes: rectangles, circles, ellipses, lines, polylines, and polygons.
基本形状：矩形、圆、椭圆、直线、折线以及多边形。
Similarly, adding polylines (lines with multiple vertices) requires storing some data.
同样地，添加polyline(具有多个顶点的线)需要存储一些数据。
You can also easily attach different components (markers, information texts, controls, ground overlays, polygons, polylines) to the map.
您还可以轻松向地图添加几个不同的组件(标记、信息文本、控件、地表覆盖、多边形、多段线)。
You could also easily attach different components (markers, information texts, controls, ground overlays, polygons, and polylines) to the resulting map.
您也可以方便地将不同的组件（标记、信息文本、控件、地面叠加（ground overlays）、多边形和折线）添加到结果地图中。
Many programs draw objects on the screen with polylines. A polyline is a graphics programmer's term for a multisegment line defined by an array of vertices.
许多程序在屏幕上画出的对象呈折线形，折线是绘图程序的专用术语，专指由一系列顶点定义的多段线条。
Many programs draw objects on the screen with polylines. A polyline is a graphics programmer's term for a multisegment line defined by an array of vertices.
许多程序在屏幕上画出的对象呈折线形，折线是绘图程序的专用术语，专指由一系列顶点定义的多段线条。
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