用java RMI编写的一个远程计算平台，用户可以向远程计算机提交计算任务（可以自己编程定义复杂的计算任务），在远程计算机运行后返回计算结果-Java RMI prepared with a remote computing platform, users can submit to the remote computer computing tasks (which may own the definition of the complexity of programming the calc