dead-reckoning

英['dedr'ekənɪŋ] 美['dedr'ekənɪŋ]
  • 推测航行法
  • control n.掌控;控制;管制;克制;操作装置v.控制;支配;掌管;抑制;克制
  • deadbeat n.赖账者;游手好闲者adj.不摆的;无振荡的
名词 dead reckoning:
  1. an estimate based on little or no information

  2. navigation without the aid of celestial observations