读 paper 看你的目的是什么，如果只是粗略的看，那就是看介绍，实验和结论，需要精读那就是详细地每一个部分。 World wide web Connectivity Expenses. Internet connectivity is needed to entry the Providers. Any access fees or fees relevant in your internet connectivity are entirely your accountability. Certain Web support companies, which include wi-fi carriers, could charge costs for facts co... https://socialwoot.com/story1280216/%E8%8B%B1%E6%96%87paper%E5%86%99%E4%BD%9C%E5%93%AA%E5%AE%B6%E5%BC%BA-an-overview