In plane (2D) RDF LAMMPS Trajectory

This is the trajectory file meant to work with the rdf2d-example example folder of d-SEAMS. Check Github to navigate the source code in the browser. The filename needs to be preserved to run without any changes.本轨迹文件（trajectory file）可与d-SEAMS的rdf2d-example示例文件夹配套使用。请通过GitHub在浏览器中查看其源代码。为确保无需修改即可正常运行，请保留该文件的原始文件名。