测量直线度、平行度和垂直度。
针对三维转动的不平行度和激光散斑的影响，提出了激光刀口斜率拟合校正法。
To overcome the impacts of nonparallelism of 3d rotation and laser speckle on the accuracy of measurement, modification is made by slope fitting of the laser blade.
只有在平坦的宇宙中，空间才符合标准的几何规律——三角形的内角和精确地等于180度，平行线永远不相交。
Only in a flat universe does space obey all the standard geometry-class rules-the angles of a triangle add up to exactly 180 degrees and parallel lines never meet.
由于模板平行度好，变形小和使用线性导轨，可有效保护模具。
Mold protection thanks to precise platen parallelism, minimal platen deflection and linear guides.
为什么？临摹和对细节的注意力有利于工整地书写和拼写，而画平行线则能够提升孩子对笔的掌控度。
Careful copying and attention to detail are important skills for handwriting and spelling. Drawing parallel lines is good for pencil control.
在考虑了装配公差和形状位置公差的条件下，采用极大极小法，给出了该型发射装置改进后的平行度计算方法。
Taking into account assembly tolerance and geometric tolerance, with the maximum and minimum method, a parallel degree calculating method for the missile launcher is put forward.
该文探讨了一种三自由度(DOF)平行双关节坐标测量机的测量原理和测量模型。
This paper investigates the measurement principle and model of a parallel dual-joint coordinate measuring machine (PD-CMM) which has three degrees of freedom (DOF).
利用激光发射器和光敏接收器作为检测传感器，基于准确的检测理论，设计出了激光检测法检测汽车前、后轴平行度的检测装置。
On the basis of accurate theory, using laser emitter and photosensitive diode as testing sensor, a set of laser equipment for automobile axle depth of parallelism test is designed and produced.
下列署名的验船师认为曲柄肖不平行度超过允许值时会导致曲柄肖和轴承烧坏。
The undersigned did deem that if the non-parallelism of the crank pin exceeds permissible limitation, crank pin and bearing were caused to be burnt.
发动机的振动具有6自由度，但是它的垂直转动和两个水平方向的平行移动是非常小的，忽略这些因素对我们的分析没有什么影响的。
The vibration of engine have 6-DOF, though The vertical rotation and parallel motion of engine is neglected because their extent is so small that they hardly effect our analysis.
正是由于结晶度、取向度的提高以及单丝内部生成了平行的串晶和纤维复合结构，导致了渔用HSPE单丝强度的提高。
Owing to the increase of crystallization and the degree of orientation, and the formation of this shish-kebab and fibrous compound structure, the tenacity of the HSPE monofilaments is improved.
一般方箱用于零部件平行度、垂直度和检验和划线，万能方箱用于检验或划精密工件的任意角度线。
General side box for parts parallelism, perpendicularity and testing and marking, universal side boxes designated for inspection or precision of the workpiece at any Angle line.
采用本征激励法，在考虑互耦影响下，数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
采用本征激励法，在考虑互耦影响下，数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
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