A.硬性設(shè)計(jì)B.軟性設(shè)計(jì)C.現(xiàn)代硬性設(shè)計(jì)D.現(xiàn)代軟性設(shè)計(jì)E.以上全都不是
A.4B.5C.3D.2E.6
A.垂直B.水平C.45°D.135°E.30°