1) vertical plane
铅垂面
1.
It s very difficult to achieve the flatness detection of the large flat surface formed with several non-continuous vertical planes with traditional contact measurement.
传统的接触式测量方法很难实现由多个非连续铅垂面形成大平面的平面度的检测。
2) solar radiation on vertical surface
铅垂面太阳辐射
3) plumb
铅垂
1.
As an optical instrument,plumb aligner is used to give a plumb line,but up to now there is no accurate concept to indicate its plumbness.
对垂准仪校准过程中同轴度和一测回垂准测量标准偏差进行了分析,并提出了铅垂p角的概念。
4) plumbing arrangement
铅垂布置
5) perpendicular distance
铅垂距
1.
It can gain the perpendicular distance of chord and band course,consequently improving the precision of laneway’s forming and examing its quality conveniently.
用这种方法可求出弦腰线上任一点距竖曲线巷道底板的铅垂距离 ,从而提高巷道成形精度并方便质量检
6) vertical section
铅垂井段
1.
Based on the elastic theory of large deflection and by taking into account the variation of the axial force and its effects on bending deformation of the drillstring in vertical section,the vibration of the drillstring induced by fluctuating weight on bit is described by a parametrically excited system.
基于弹性大变形理论 ,考虑到轴力沿钻柱轴线的变化及其对钻柱弯曲变形的影响等因素 ,将受自重作用的铅垂井段钻柱在波动钻压激励下的振动转化为一个参数激励系统 ,用 Galerkin方法首次得到了描述此系统的 Mathieu方程 ,并通过将方程的解展成富里叶级数的方法 ,得到了该振动系统的动力分岔值曲线及其所包围的动力不稳定区。
参考词条
补充资料：因梦得题公垂所寄蜡烛因寄公垂
【诗文】：
照梁初日光相似，出水新莲艳不如。
却寄两条君领取，明年双引入中书。
[宰相入朝举双烛，余官各一。]
【注释】：
【出处】：
全唐诗
照梁初日光相似，出水新莲艳不如。
却寄两条君领取，明年双引入中书。
[宰相入朝举双烛，余官各一。]
【注释】：
【出处】：
全唐诗
说明：补充资料仅用于学习参考，请勿用于其它任何用途。