They selected the longitudinal line that runs through Greenwich, England, as the standard from which they would measure (it had already been used by sailors for centuries).
他们选取了经英国格林威治的经线作为标准线(这各标准已经被海员使用了几个世纪了)。
It can roll about a line from nose to tail — the longitudinal axis; and it can yaw, left or right, about the vertical axis.
他可以绕着从机头到机尾的纵轴来翻滚；并且可以绕着竖轴向左或向右偏航。
Longitudinal shear problems of collinear periodical rigid line inclusions at the interface of dissimilar materials were dealt with.
研究了不同材料界面含周期刚性线夹杂的纵向剪切问题。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟，其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定；
The in-plane distortion, transverse shrinkage varying along width direction and longitudinal shrinkage varying along length direction of the plate bended by line heating was proposed.
给出了水火弯板变形中的面内扭曲、沿板宽方向变化的横向收缩及沿板长方向变化的纵向收缩的描述函数。
Reasons of wrong actions of longitudinal differential protection of LCD-3A line are analyzed. Solutions and theoretic criteria are proposed.
详细分析LCD - 3a线路纵差保护误动的原因，提出解决的措施及理论依据。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
X65管线钢在焊接过程中，内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹，横向裂纹贯穿焊缝金属横截面。
Under the conditions of larger longitudinal and cross-fall of road line, the author describes the calculations about core slab and box beam bridge chock.
阐述了在路线纵、横坡较大条件下空心板及箱梁桥楔块的设置与计算。
The device contains a process mould which is divided into upper and lower moulds with same shape and size by the center line of the steel longitudinal rib.
该处理设备包括一处理模具，所述成型模具以钢筋纵肋中心线分为上下两部分形状和尺寸相同的上模和下模。
A corresponding bending line extends in longitudinal or movement direction of the body (3).
相应的的弯曲线在主体(3)的纵向中或移动方向中延伸。
Study Design. To report a new index, the K-line, for deciding the surgical approach for cervical ossification of the posterior longitudinal ligament (OPLL).
研究目的：证实k线作为颈椎后纵韧带骨化手术入路的新标准。
Under different longitudinal magnetization, the shape and characteristic of the zero value line of the normal component for the magnetic leakage field which was an important criteria...
分析了不同纵向磁化强度下，作为磁记忆检测方法重要判据的磁场法向零值线形状及分布特点。
An on-line control model for road tunnel with longitudinal ventilation was proposed based on neural networks and by combining traffic model, aerodynamics model and pollution model.
基于神经网络方法建立了公路隧道纵向通风在线控制模型，结合交通模型、空气动力学模型及污染模型，对隧道内污染物进行了通风控制过程的动态模拟。
The zero-length rigid element is introduced to simulate the node at which more elements are jointed together and to treat neighboring elements whose longitudinal axes are not in the same line.
引入零长度刚性元模拟多个刚体元汇交于一点和相邻刚体元轴线不在一直线上等情形。
In the present paper, the resonant response of a vertical mooring-line in case of neutrally buoyancy, for a given harmonic longitudinal excitation, is discussed. The law of stress-strain is nonlinear.
本文讨论垂直的中和浮力系留素在浮体的纵向激励处于谐振的情形下的共振响应问题，其中应力应变关系为非线性的。
In order to obtain the 2-D projection data, a longitudinal traveling workbench controlled by computer is set up to realize line by line scan.
为了得到完整的螺纹牙型数据，建立了计算机控制的纵向工作台，可以实现对螺纹投影的逐行扫描。
On the horizontal projection plane, an included Angle is formed between the thrusting bars and the longitudinal center line of the axle.
在水平投影面上，推力杆与车架纵向中心线之间具有夹角。
Baosteel's UOE mill is the first modern large-diameter longitudinal submerged-arc welded (LSAW) pipe unit in China. It is also an advanced production line of the same kind in the world.
宝钢UOE机组是我国第一套现代化大口径直缝埋弧焊管机组，也是世界上装备最先进的大口径直缝埋弧焊生产线。
The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced; character of roller prebending and mould press type prebending is analyzed.
简要介绍了直缝埋弧焊钢管生产线预弯工序的重要性、预弯的功能以及预弯工艺过程。
The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced; character of roller prebending and mould press type prebending is analyzed.
简要介绍了直缝埋弧焊钢管生产线预弯工序的重要性、预弯的功能以及预弯工艺过程。
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