Strike is the trace of the intersection of an obliquely inclined plane with a horizontal reference plane . 走向是倾斜平面与水平参考成交线的迹线。
Reference plane of instrument panel 仪表参考平面
There should be reference planes for plane work - pieces . file the flash if there is any 平面工件要有基准面。如有飞刺突起要剔、锉削平。
Light microscopes - imaging distances related to mechanical reference planes for tube length 160 mm 光学显微镜.与机械基准面相关的长度160mm的镜筒成像距离
Optics and optical instruments - microscopes - imaging distances related to mechanical reference planes - part 1 : tube length 160 mm iso 9345 - 1 : 1996 光学和光学仪器.显微镜.相对机械参考面的象距.第1部