position angle的例句大全

the moon's actual radius varies as a function of position angle and libration because of the irregularity in the limb profile.

月球实际半径根据其位置角度函数和缓慢摆动而变化，由于其边缘轮廓的不确定性。

Through the solution, the star position angle can be found with so-called" star distance"( Short for the spherical distance between two stars) determined So as to have the fix solved.

用解球面三角形的方法，通过两天体的球面距离，求得星位角，从而求得船位的经纬度。

Basic concepts on "visual angle"," position angle"," inside track area"," outside track area" have been put forward.

提出了视角、位置角、轨迹区内、轨迹区外的基本概念；

In addition, the technological test for all position welding both low carbon steel and stainless steel pipes was carried out, and both the included angle of the joint and the welding parameters for better appearance of weld were optimally chosen as well.

并对低碳钢和不锈钢两种管材的全位置焊接进行了工艺试验研究，优选出了焊缝成形较好的接头坡口角度及焊接规范参数。

How to complete the calculation of sun declination, sun right ascension, sun greenwich hour angle, greenwich hour angle of aries and sun local hour angle in Astronomical Position.

利用计算机完成天文定位中的太阳赤经、赤纬、太阳格林时角、春分点格林时角、测者地方时角的计算。

The running load of AFC in a fully mechanized face changes with such factors as, dip angle and thickness of coal seam, length of face, spalling of rib, especially haulage speed and position of shearer at face in coal cutting.

综采面输送机的运行负荷是随着煤层倾角、煤层厚度、工作面长度、煤壁片帮情况、特别是采煤机割煤时的牵引速度以及采煤机在工作面的工作位置的不同而变化。

A circumstance of incomplete data measurement in test range experimentation is discussed, under which only the single station optical azimuth and elevation angle data are available. Combining with the telemetry height information, we get the position and velocity parameters of the target.

针对靶场试验中只有单站光学测角数据的不完全测量情况，讨论了如何结合遥测高程信息，得到目标的位置和速度参数。

Tilting position The plane dips to the south with a dip angle of fifty-five degrees.

倾斜角（转炉），倾斜位置倾斜断面倾向南，倾角55度。

Variational sloping angle of arch rib influenced on the stability of double X-shaped arch bridge tilting position

斜靠式拱桥拱肋倾角变化对稳定性能的影响倾斜角（转炉），倾斜位置

Based on large quantities of projects and experiences, the paper discusses the application of fast static position measurement in GPS control network arrangement from the angle of observation time and network graph.

通过大量实例和作者的实践，从观测时段、网图的布设方式等方面论证了快速静态定位测量在布设GPS控制网中的应用。

High frequency movement in precise micro-displacement of the tool is required when boring the hole and the displacement of the tool needs to be changed according to its spindle rotation angle and its axial position in boring process, because the hole has a very complex three-dimensional surface.

非圆曲面孔复杂的三维空间曲面结构，要求在镗削过程中，刀具径向位置随着主轴转角和其轴向位置的变化，做高频响的精密微位移补偿运动。

The first-order relative position equations are expanded as trigonometric series with eccentric anomaly as the angle variable. Except the terms of order one, the trigonometric series' amplitudes are geometric series, and corresponding phases are constant both in the radial and in-track directions.

通过将相对位置方程的径向和横向分量以偏近点角为变量展开为三角级数，发现除了一阶项外，三角级数的幅值为等比数列并且相角为定值。

Angle displacement quantities of guide pulley and count reposition position of cutter displacement which are obtained through approach switch are translated into pulse signals;

采用接近开关将检测到的导向滑轮的角位移量和钻具位移的计数复位位置转换为脉冲信号；

A system to measure and analyse three-dimensional movements of spine was developed, which is capable of determining the position of points on vertebral and calculating linear and angle displacements of spinal segment.

本文研制了基于双平面立体测量和计算机图像处理的脊柱三维运动的分析系统，该系统可以确定椎体的空间位置和节段间的线位移和角位移。

Research on a New Theoretical Angle Position Testing Method Based on Variable Capacitance

基于电容变化的角位置检测理论新方法的研究

Controlling the position of a roller properly, the relative position between the cylinder and roller will be change so that a additional spiral angle will be produced. Therefore the relative axial motion of the cylinder can be controlled effectively.

调节从动轮的位置，可以改变筒体和滚轮的相对位置，产生附加螺旋角，能有效控制简体的轴向运动。

The influence due to change of solar hour angle in the position of focusing line for faceted fixed mirror solar concentrator

太阳时角变化对固定条形镜面聚光器焦线位置的影响

Supposing the slip plane of slope as a straight line, the paper derives the critical height and the critical angle of the slope by limiting balance method, then defines the position of unsafe slip plane and the critical angle of safe slope.

假定斜坡的滑移面为直线，用极限平衡法推导了倾斜边坡的临界高度和临界坡角，解出了倾斜边坡中安全系数最小的滑动面的位置，确定了边坡中稳定土体的临界角度。

Position the nail file at a 45-degree angle under the nail, and file the nails from the left hand corner to the centre of the nail for a few long gentle strokes. If necessary, use nail clippers to shorten the nails first.

将锉刀以45度角放置于指甲下方，从指甲的左边慢慢磨到中间，如有必要，先把指甲剪断一点再磨。

When the half central angle is small, the arch will freely vibrate about the position different from the original static one after the rectangular loading is finished.

对圆拱的分析表明，当中心角之半θ0较小时，矩形荷载作用完后圆拱在偏离原静止状态的位置附近自由振动。