通过这些基本的绘图功能的实现来说明专业的复杂绘图工具所采用的一般思想。
By realization of this tool, general designing idea of professional drawing tool is thrown light on.
它用有组织的方式清楚简洁地表示思想 —— 并且消除了生成之后不可能正确理解的复杂绘图的风险。
They provide an organized way to express ideas cleanly and succinctly -- and eliminate the risk of producing complex drawings that may not be possible to interpret correctly later.
它甚至能处理最复杂的绘图事宜，使你的计算机腾出来完成其他任务。
It can handle even the most complex graphic jobs, freeing up your computer for other tasks.
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