1) by-line
[英]['bai,lain] [美]['baɪ,laɪn]
平行干线
2) three-line parallelism
三线平行
3) parallel lines
平行线路
1.
Based on the safety of pilot zero sequence direction protection, the ground faults in parallel lines are discussed.
着眼于纵联零序方向保护的安全性,探讨了平行线路区内区外各种接地故障,研究发现,对于两侧均无电气联系的平行线路,纵联零序方向保护一定误动;对于一侧或者两侧有电气联系的线路(包括部分平行),是否误动取决于两者间联系是磁强于电还是电强于磁;对于一侧共母线的系统,此时纵联零序方向保护其实是安全的;对于同杆并架线路,纵联零序方向保护的安全性亦能得到保证。
2.
The measurement of the transmission lines frequency parameters is easily disturbed by the adjacent parallel lines.
针对输电线路工频参数测量过程中容易受到附近平行线路干扰的问题,采用EMTP程序,对与干扰紧密相关的线路间距、电流、换位情况、线路长度等多种因素进行了综合分析,得到了平行线路导致干扰变化的普遍规律,为线路参数测量的干扰分析提供了参考。
4) parallel
[英]['pærəlel] [美]['pærə'lɛl]
平行线
1.
According to the stability of vanishing points of the projected lines on the image of a group of lines at infinity,the algorithms for camera calibration and indoor visual navigation of the autonomous mobile platform based on parallels are proposed.
根据一组空间直线上的无穷远线素集在视平面上所形成的消失点对直线的平移具有稳定性的特点,提出了基于平行线的摄像机参数标定和自主移动平台室内视觉导航算法。
2.
This paper presents the method to calculate the coordinates of the intersection point of the straight line with the parallel to the central line by means of tangent approaching.
提出了利用切线趋近法计算直线和线路平行线交点坐标的方法,不仅适用缓和曲线段、卵形曲线段、复合形曲线段,而且也使用于直线段和圆曲线段,容易在CASIO-4500P或CASIO-4800计算器上编程,通过算例验证该方法收敛较快,施工现场测量作业人员容易掌握。
3.
Based on the arc length formulae of the parallel to the easement curve and its property, this paper gives the parameter equations of the parallel to the easement curve taking the arc length itself as variable.
基于缓和曲线平行线弧长公式及其性质，给出了缓和曲线平行线以其自身弧长为变量的参数方程。
5) parallel sidelines
平行边线
1.
Research on characters and calculation of arc length about parallel sidelines of spiral curve;
缓和曲线的平行边线的性质及弧长计算研究
6) parallel curve
平行线
1.
This paper briefly introduces the area calculation problem of a block,the boundary of which includes the easement curve or its parallel curve.
该文论述了以缓和曲线平行线为边界的地块面积的计算特点,推出了缓和曲线或其平行线弓形面积的严密计算公式,讨论了已知缓和曲线平行线弧长或坐标值计算弓形面积的问题,给出了相应的算例。
2.
In thes paper, the general algorithm for finding the coordinates of intersection pointswhen Linear structure cutting cross the parallel curve of highway is given, which is simple inprinciple, direct in calculation process and quite suitable for computer programming.
本文论述了线状构筑物在穿过道路曲线或其平行线时，其交点坐标的解算方法。
补充资料：干线
交通线、电线、输送管（水管、输油管之类）等的主要路线（跟‘支线 ’相对）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条