雷哥,請教一下按照那個教程第四章,按下preview all 后并未出現(xiàn)棱鏡三維圖,為什么呢?? W^Y(FUy~ System being written to file geo_bld.sys '=* 5C{ --- SYSTEM NEW; RESET; RAYS 0 9Wrclai 0 rays defined ;gV8f{X{Z --- $PLOT NORM %TgM-F,8 --- $IO PLOT 3R.cj --- SYSTEM FROM GEO_BLD )~(_[=' System being read from file geo_bld.sys ix`x