| 1. | Local coordinate system
地方坐标系统 |
| 2. | A local coordinate system allows for additional flexibility in the primitives drawn
一个当地的协调系统允许在最初的绘画上附加的灵活性。 |
| 3. | Motion is specified by translations , rotations , and nonuniform scalings of the local coordinate system of each moving object
运动通过平移，旋转，以及每一个移动对象的局部坐标系统的非一致缩放来实现。 |
| 4. | Hence , the problems concerning the expression of position vector in the global coordinate system and the local coordinate system , and the numerical area integration by the natural coordinates were solved thoroughly
这样，完善地解决了单元中任意点在整体坐标与局部坐标的表示问题和基于局部自然坐标的面积分和体积分的数值积分的依据问题。 |
| 5. | It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method , which simplifies coordinate calculation of toe slab and is easy for design modification
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系，从而使趾板坐标计算简捷方便，且易于设计修改。 |
| 6. | This algorithm allows the users design the control frame freely . compared with other algorithms , it abandons the limitation of topological structure among the control points and uses sibson local coordinate system , so it is more flexible and universal
和其它算法相比该算法允许用户根据需要设置控制点,抛弃了对控制框架的拓扑结构的限制,使用更为一般的sibson局部坐标系( sibsonlocalcoordinatesystem ) ,因而该算法更具灵活和通用性。 |
| 7. | The boundary integral equation for elasticity is derived through the general green ’ s formula and the corresponding fundamental solution . the paper represents the contact conditions , which are essential for the coupling of the boundary integral equations of the two different elastic contact bodies , in a local coordinate system properly chosen
利用广义格林公式和基本解得出弹性问题的边界积分方程,采用循环迭代的方法,通过寻求与接触条件相协调的接触边界位移及面力增量来确定接触区域的大小。 |
| 8. | Taking the characteristics of road and bridge engineering into account , this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations , a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed . through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired , while in reality coordinates in local coordinate system are needed , so conversion from wgs - 84 coordinates to local coordinates is necessary
结合路桥工程的特点，对静态gps在路桥工程控制测量中的数据处理作了系统的分析和研究： ?对单点定位结果作为起算点的可行性进行了研究，并探讨其对基线解算的影响； ?鉴于商家提供的随机软件往往不支持利用gps观测得到工程独立坐标系中坐标，为工程独立坐标系gps数据处理提供了一种简便有效的方法，并编制了相关的处理程序，通过实例验证，程序是正确的、方法是可行的； ? gps测量得到的是wgs - 84坐标，而实用上需要的是地方坐标系坐标，因而得把wgs - 84坐标转换地方坐标系坐标。 |
| 9. | Two amelioration methods were presented in this paper optimized schemes for the choice of assistant nodes in the construction of the local coordinate system ( lcs ) and for the combination of lcss in the construction of network coordinate system ( ncs ) . it can effectively reduce the communication cost in the construction courses of lcs and ncs with no influence on the localization coverage
本文提出相应的改进方法局部坐标系构建过程中辅助节点对的优化选择方法和全局坐标系构建过程中局部坐标系的优化合并策略,可在不影响原算法定位覆盖率的前提下,有效降低它在构建本地局部坐标系和合并构建网络全局坐标系这两个主要过程中的通信开销。 |
