!! +exec+ +ins+
$lst_tit insplot3d$lst_titend$type_pexec
  $(lst_syntax)insplot3d $emph plotsource $emphend</tt>
  $lst_mean 同
  $(ref1)cmdlist_insplot_$(ref2)cmdlist_insplot_">insplot</a>,
  只是 $emph plotsource$emphend 使用 gnuplot 的命令 $emph splot$emphend 的语法,
  并作 3D 曲面绘图.
