The subjacent and lateral strata previously have been compacted . 下卧层和旁侧层先已压实。
2.
The supervisory computer communicates with the subjacent computer through ethernet . the supervisory computer can get the data from the production process in a realtime way 上位机和下位机通过以太网通信，上位机可以实时地得到来自生产过程的数据。
3.
The following is some main content of this thesis : structure respect : a structure of parallel driven simulating table with three apex of right triangle supporting was proposed on the basis of use for reference many structures of simulating table . its movement postures of space and surtax movements are computered and analysed , and adopted matlab software perform dynamic simulation to it . the respect in machinery design : the structure of upper and subjacent platforms for simulating table were designed 本论文从仿真转台的整体来考虑，对仿真转台的各个部分进行了研究和探讨，下面是本论文的一些主要内容：结构方面：在介绍了多种转台结构的基础上提出了采用直角三角形三点支撑的并联驱动仿真转台，对其空间运动姿态及附加运动进行了解算和分析，并采用matlab软件对其进行了动态仿真。
4.
The structure of the upper platform on the simulating table that is put forward is analysed with analysis software ansys of finite element . and the mass of subjacent platform for simulating table is calculated with the method of equilibrium of moments under conditions of the simulating table is static or operating no take place overturn 机械设计方面：设计了仿真转台上、下平台的结构，并运用有限元分析软件ansys对所提出的仿真转台上平台结构进行分析，利用力矩平衡方法计算了仿真转台在静止以及运动过程中不发生倾覆所需要下平台的质量。
