Approach on the optimum cutting line spacing of heading maching cutting head;
掘进机截割头最佳截线间距的探讨
The stability of wall rocks on double small-interval urban tunnels has been analyzed under complex geological condition by applying 2D and 3D FEM numerical simulation.
采用平面及三维有限元数据计算方法 ,对复杂地质条件下小间距双线城市交通隧道的围岩稳定特征进行了分析 ,并对现有小线间距条件下厦门莲黄隧道围岩及结构的稳定性进行了评估 ,同时 ,模拟计算还可为围岩的预加固提供科学的依据。
In accordance of the problem to be solved while working out the distance between lines, this article introduces a method that can obtain simply the distance between lines by utilizing the computer technique and its function of drawing.
针对线间距的求解问题，介绍了一种综合利用计算机技术及其绘图功能求得线间距的简捷方法。
Based on the characteristics of marine magnetism survey and the study of the direction of the survey line layout, The selecting method of interval between survey lines,the principal and several applied methods of it are presented, The feasible of the principal and methods are testified
基于海洋磁力测量特点,在对布设测线方向研究的基础上,对海洋磁力测量中布设测线间距的选取进行了研究,提出了选取布设测线间距的原则,给出了几种选取测线间距的方法,并对其可行性进行了验证。
Minor unit must be less than or equal to major unit.
次要刻度线间距必须小于主要刻度线间距。
4-channel bus elbow. Line spacing is adjustable.
四通道总线弯线。可调整线间距。
Double-line connector with arrowheads and adjustable line spacing.
带箭头和可调线间距的双线连接线。
Four-line connector with arrowheads and adjustable line spacing.
带箭头和可调线间距的四线连接线。
2-channel bus elbow. Line spacing is adjustable.
两通道总线弯线。可调整线间距。
4-channel straight bus connector. Line spacing is adjustable.
四通道直总线连接器。可调整线间距。
2-channel straight bus connector. Line spacing is adjustable.
两通道直总线连接器。可调整线间距。
3-channel bus elbow. Line spacing is adjustable. Extensions can be specified.
三通道总线弯线。可调整线间距。可指定延长线。
4-channel bus elbow. Adjust height handle to control line spacing.
四通道总线弯线。调整高度手柄可控制线间距。
Double-line elbow connector with arrowheads and adjustable line spacing.
带箭头和可调线间距的双线肘形连接线。
Four-line elbow connector with arrowheads and adjustable line spacing.
带箭头和可调线间距的四线肘形连接线。
Effect of dual-wire distance and wire diameter on transverse impedance measurement using dual-wire method
双线法测量横向阻抗中双线间距及线径的影响
Answer11: According to the structural needs, the distance between tracks can be adjusted.
答：根据结构需要，线间距可适当调整。
The distance between parallel cables is at least 0.2 m.
两根平行的传爆线间距离不小于0．2米。
Linearity (time or distance)
线性(时间或距离)
Space (density) tapered array antenna
间距密度渐变阵列天线
The distance between two corresponding points on a helix.
螺旋的间距螺旋线上两个相应的点之间的距离
The length or numerical value of a straight line or curve.
间距直线或曲线的长度或数值
