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
双语例句
- Think of this as being a plumb line to find* used to find the direction of gravity.
假设这是铅垂。，想想重力方向是怎样的。 - 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 - 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。 - It also describes the new techniques and the results drilling tracing of deviation correction in the construction of the bottom of the plumb line hole. Finally, several views are out forward.
介绍了垂线孔孔底随钻跟踪定向纠偏新技术和施工效果，最后结合实例谈几点认识。 - 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。 - The Calculation of Plumb Line Deflection in Dam Deformation Measurement
大坝变形观测中垂线变化的计算 - Due to machining accuracy and limited leveling precision of gimbals, there is always an inconsistency between the visual axis and the vertical rotational axis of the digital zenith camera and the plumb line, which leads to a big deviation between measurement precision and theoretical precision.
由于机械加工精度和常平架的调平精度有限，天顶摄影仪的视轴、垂直旋转轴与铅垂线总是存在不一致，导致测量精度与理论精度存在很大的偏差。 - Development tendency of automatic monitoring system of plumb line and extension line
矫顽力自动测量装置垂线、引张线自动监测系统的发展趋势 - 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。