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
- 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 - A device, such as a plumb line, used in marking the vertical from a given point. Riser cables-Sectional specification
垂规，铅垂线一种装置，如铅垂线，用于从给定点标记竖直方向垂直布线电缆分规范 - The installation of boosters is made by means of lofting plumb line to ensure the mounting precision and symmetry, resulting in accurate force transmition direction, and avoiding the emergence of additional moments.
本文采用放样吊线法安装助推器，确保安装精度和左右对称，从而保证了力的精确传递方向，避免了附加力矩的产生。 - 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 - 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 - 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。 - Plumb line deflection varied with time obtained by repeated gravimetry
重复重力测量结果计算垂线偏差的时间变化 - The simulation algorithms of wave high, yaw force, rolling moment and sway moment were put forward. Meanwhile, it also discusses the influence of roll yaw on sideslip in spin, and of moving round plumb line on angle of bank.
给出了随机海浪波高、横荡力、横摇力矩、艏摇力矩的仿真算法。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。 - The plumb line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。 - 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。