| 1. | B : the position and direction are correct , conjunction is flexible and accurate
位置和方向正确,连接牢固,操作灵活,准确 |
| 2. | Check your piping layout drawing to ensure correct position and direction of flow
检查管道分布图，找对位置和流体流向。 |
| 3. | Position and direction
位置和方向 |
| 4. | The feature matrix may be formed based on the character sub - strokes , including the sub - stroke length , position and direction information and so on
由字符的子笔画生成字符的特征矩阵，特征矩阵包含子笔画的长度、位置、方向等信息。 |
| 5. | After comparing all kinds of vehicle navigation system , the thesis use dead reckoning as the way of military amphibious vechicle position and direction
论文在对多种车辆定位定向原理进行研究和比较的基础上，选择航位推算方法来实现军用两栖作战车的定位定向。 |
| 6. | This paper , after discussing the basic theory and the application of digital image processing and analyzing the concrete characteristics of the water meter , puts forward the crux algorithm that identifies automatically the position and direction of the pointers of water meter with techniques of the image preprocessing , image segmentation and image analysis and recognition
本文结合水表的具体特点，分析了将图像处理技术应用于自动识别水表指示读数的原理。找到了一种满足一定速度和精度的水表读数识别方法。该方法主要包括水表图像预处理、水表图像分割、指针读数的识别。 |
| 7. | When the laser facilities are in operation , the position and direction of all the beams are subject to change due to the optical structural drifts excited by multiple input sources . these changes will influence the precision of the beam propagation and finally the focal spot positions on targets which are strictly dictated by the requirements of plasma physics experiments
这些激光装置在运行过程中，光学元件结构在外界激励因素作用下容易产生漂移，使光束位置和方向发生改变，影响光束打靶定位精度，无法满足精密物理实验要求。 |
| 8. | The thesis analyse the error and the feasibility of the system . because the precision of position and direction is related with the precision of the heading and the distance , the thesis discuss the method of obtaining the distance using milemeter , water milemeten engine ' s rotate speed and accelerometer , and the method of obtaining the heading using the combination of the gyrocompass and the digital compass . then the thesis introduce the details of the system realization , include the hardware and the software
由于航位推算的精度与航程和航向的精度直接相关，因此，论文讨论了用里程计、水速表、引擎转速或加速度计等获取里程的方法，用航向保持器和数字磁罗盘组合的方法获取航向角的方法(初始寻北由数字磁罗盘来完成) ，这为采用数据融合方法提高航程和航向精度打下了基础。 |
| 9. | The aim of projective reconstructing is to estimate the position and direction of cameras through matching points in different images so lay the foundation for further reconstructing . on the basis of current methods of projective reconstructing , we used the levenberg - marquardt method to optimize the result of linear method so the precision is be improved , and we use the bundle adjustment method to entirely optimize the structure of scene and projective matrixes
本文在研究已有射影重建算法的基础上，利用l - m算法对基于基础矩阵的射影重建算法得到的线性结果进行优化，提高了算法的估计精度和稳定性，并在求得所有图象对应的投影矩阵后利用bundleadjustment方法对空间结构及投影矩阵进行全局优化。 |
