plotting instruments造句

stereoscopic plotting instrument
立体测绘仪
at present, there are hundreds of software tools in item manage, but thes e software do n't solve the problems about drawing the network picture, major problems as follows : ( 1 ) the function of arrange dots is n't strive, arrange dots by human mostly; ( 2 ) drawing super-bigness network picture ca n't be competent for outputting picture . particularly, problems are outstanding in grass roots without plotting instrument
目前市场上大约有上百种项目管理软件，但都没能好好地解决网络图的绘制问题，主要问题如下：(1)自动布点功能不强，主要靠人工布点；(2)绘制超大幅面网络图，难以胜任图形的输出重任，尤其是在没有大型绘图仪的基层，问题尤显突出。
It's difficult to find plotting instruments in a sentence. 用plotting instruments造句挺难的