第1页共12页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共12页常用术语(英汉对照)投影projection投影中心centerofprojection投影面projectingplane投影线projectingline中心投影法perspectiveprojection平行投影法parallelprojection斜投影obliqueprojection正投影orthographicprojection正投影面frontalplaneofprojection侧面投影面profileplaneofprojection投影图projectiondrawing三面投影图three-planeprojectiondrawing投影轴axisofprojection投影特性characteristicofprojection不变性characteristicoftrue积聚性characteristicofconcentration类似性characteristicofsimilarity视图view三视图three-viewdrawing正面frontalplane正面投影frontalprojection水平面horizontalplane水平投影horizontalprojection侧面profileplane侧面投影profileprojection主视图frontalview俯视图topview左视图leftsideview立体solid平面立体planebody曲面立体bodyofcurvedsurface回转面surfaceofrevolution棱柱prism棱锥pyramid边side顶点centervertex棱edge点point直线linestraightline棱锥台truncatedpyramidfrustumofpyr