Consider drawing polygons tracing the edge of certain layers with heights equal to the cloud tops.
考虑绘制跟踪高度等于云顶的特定图层边缘的多边形。
2
EJB interceptors are the first of several examples of interception-based instrumentation that I'll discuss next, drawing on the same tracing methods I reviewed in Listing 1.
EJB截取程序是我接下来要论述的几个基于截取的插装示例的第一个，借鉴了清单1中查看的跟踪方法。
3
One of the most striking experiments had H.M. tracing a star between two parallel lines, when he could see his drawing hand only in a mirror.