Abstract: The Periscope Drawtube will be bent because of the water resistance in sailing and this bend will cause the error of star measurement.
英
美
- 摘要: 潜艇潜望镜的镜筒在航行时受到水的阻力会产生弯曲变形,这种变形会造成潜艇对星体测量的误差;