plumb line

英 [ˈplʌm laɪn]

美 [ˈplʌm laɪn]

n.  (测水深或垂直面用的)重锤线，铅垂线

牛津词典

noun

• （测水深或垂直面用的）重锤线，铅垂线
  a piece of thick string with a weight attached to one end, used to find the depth of water or to test whether a wall, etc. is straight

柯林斯词典

• （检查垂直度的）铅垂线
  Aplumb lineis a piece of string with a weight attached to the end that is used to check that something such as a wall is vertical or that it slopes at the correct angle.

英英释义

noun

• a cord from which a metal weight is suspended pointing directly to the earth's center of gravity
  Synonym:perpendicular

双语例句

• Meanwhile, it also discusses the influence of roll yaw on sideslip in spin, and of moving round plumb line on angle of bank.
  同时就尾旋中偏滚对尾旋侧滑的影响、绕铅垂轴旋转对坡度的影响等进行了讨论分析。
• Reconstruction and analysis of automatic plumb line monitoring system of Dongjiang dam
  东江拱坝垂线自动监测系统改造实践及成果分析
• Except at the pole and the equator, a plumb line does not point toward the earth's center.
  除在地球的两极和赤道之外，铅锤线并不指向地球中心。
• Construction of the Inverted Plumb Line Boring of Shimen Arch Dam Right Abutment
  石门拱坝右坝肩倒锤钻孔施工
• Between perpendiculars adjust with a plumb line so as to make vertical.
  垂线间垂线间垂线间的用铅垂线调整使得垂直。
• Software of plumb line monitoring system and its application
  垂线测量数据管理软件的研制及应用
• The plumb line is being used to find the direction of gravity.
  铅垂就是这样确定，重力方向的。
• This article gives an easy way in which laser plumb line is set up by means of He-Ne laser in space with the liquid level as the base.
  本文叙述以液面为基准面，用小型氦-氖激光器在空间建立激光垂直线的简易方法。
• The plumb line deviation method of determining heights from GPS in local area
  GPS在小区域内测定点位高程应用中的垂线偏差方法
• The optical astronomical instruments for time-latitude measurements have advantages of good long-term stability, being able to monitor changes of the local plumb line and to make absolute determinations.
  光学天文时纬仪器具有长期稳定性好，可监测地方铅垂线变化与测定的绝对性等优点。