He advises patients who are having trouble with bowel movements to place something under their feet while seated on the toilet, as this helps to simulate the squatting position.
他建议排便有困难的患者坐在马桶上时，在脚下垫点儿东西，因为这样有助于模拟蹲着的姿势。
Swansoft CNC Simulator can simulate the process of CNC working, such as electrical connection, adjustment, trouble shooting and so on, so it is a good tool of assisted instruction.
斯沃数控仿真软件能对数控机床的电气装配、调试、故障排除等过程进行仿真模拟，可很好地满足数控机床维修课程的教学需求。
Then a routing protocol testing platform is designed to simulate the running of the OSPF protocol. Finally a simulated trouble analysis is performed.
设计了一个实验性路由协议仿真测试平台，并模拟了OS PF协议在该平台上运行时的协议行为，进行了模拟故障分析。
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