焦点: focal point; focus位移: displacement; shift; drift; ...焦点位置: focal position标记点位移: marker pip displacement; pip displacement标志点位移: marker pip displacement操纵点位移: bettigungspunktverschiebung operating point displacement操作点位移: betriebspunktverlagerung观测点位移: displacement of observation points光点位移: spot displacement节点位移: joint displacement; joint mobility; joint translation; nodal di lacement; nodal displacement节点位移法: method of separate joint displacement结点位移: displacement of joint临界点位移: stagnation point movement零点位移: zero creep; zero di lacement; zero displacement零点位移法: zero-shifting technique扫描点位移: spot displacement像点位移: displacement of images象点位移: displacement of image; image point displacement原点位移: shift of origin质点位移: particle displacement中点位移: neutral displacement中心点位移: pan behind tool中性点位移: neutral point displacement驻点位移: stagnation point movement定点位移控制: point to point position control