ENV#TANDSP 切線顯示環境Tan#Solid 切線實線Tangent edges in the model will be displayed as solid lines.模型里的相切邊顯示為實線。No#Disp#Tan 不顯示切線Tangent edges in the model will not be displayed.不顯示這個模型中的切邊.Tan#Ctrln 切線中心線Tangent edges in the model will be displayed in centerline font.模型中的切線邊用中心線型顯示。Tan#Phantom 切線虛線Tangent edges in the model will be displayed in phantom font.模型內的切邊將顯示為虛線.Tan#Dimmed 切線灰色Tangent edges in the model will be dimmed.模型里的切邊將用灰色顯示.