图中FS段在侧面上投影应为虚线/sqp/img?f=0c1cca171831f76bf2102f2267474046.files%2Fimage006.png
举一反三
- 图中SB段在水平面上投影应为虚线/sqp/img?f=0c1cca171831f76bf2102f2267474046.files%2Fimage008.png
- 图中ET段在侧面上投影应为虚线/sqp/img?f=0c1cca171831f76bf2102f2267474046.files%2Fimage007.png
- )代表瞬时速度,它与平均速度△之间并无本质上的区别( )/sqp/img?f=...files%2Fimage006.png
- 图中平面DEFG为正垂面/sqp/img?f=0c1cca171831f76bf2102f2267474046.files%2Fimage009.png
- 是n阶矩阵与B相似的 /sqp/img?f=da4ed14a6264c650cbab9c43fb3d403a.files%2Fimage009.png/sqp/img?f=da4ed14a6264c650cbab9c43fb3d403a.files%2Fimage006.png