The alignment of the polar axis and the monitoring of the guiding process require absolute accuracy.
极轴的摆放及追踪过程必须十分准确。
Earth is shifting its polar axis and reversing its polar charges to operate more in alignment with the new level of energy vibration.
地球正在进行极轴转移，正在进行磁极翻转，以与新的能量振动程度更好的校准。
Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane.
由于地球是扁球体，绕极轴惯量矩最大，而绕在赤道面内的轴的惯量矩最。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
An optical telescope with a micrometer is used to precisely adjust the polar axis of an equatorial radio telescope and any precise dial and clock will not be needed.
使用一具附有测微器的光学望远镜配合赤道式射电望远镜进行极轴精密调整，不需用精确的度盘和记时设备。
Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.
松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。
The stiffness of the polar axis' hydrostatic oil pads system in three directions was represented by the stiffness value of a single oil pad in two types of cylindrical and spherical journal.
用单油垫的油膜刚度值来表示柱面和球面轴颈两种极轴静压支承系统三个方向的刚度。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
极坐标是关于r，θ的,用r，θ代替平面上一点的x，y坐标，是从原点到那一点的距离，，which，is，the，distance，from，the，origin，to，a，point，θ是由x轴逆时针旋转,而得到的夹角。
Based on studying the way of polar moment of inertia, a new method of major and minor axis detecting by DDA was provided.
特征提取是葡萄干等级检测的基础，该文在研究极惯性矩计算长短轴方法的基础上，提出一种利用数值微分法进行长短轴检测的新方法。
Uniform polar response provides natural off-axis response for critical recording.
统一的极性响应提供关键记录的自然离轴响应。
The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.
结果表明，极坐标投影法可以得到无干涉的五轴加工刀位数据，并可以获得均匀变化的刀轴矢量。
Polar motion is the movement of the rotation axis with respect to the crust.
极移指自转轴相对地壳的运动。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
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