MIT的MPB软件仿真四方晶格光子晶体波导带隙的程序-MIT' s MPB software simulation four lattice photonic crystal waveguide band-gap program

基于TCP，UCP协议实现四方语音通信，（四方到八方聊天），语音质量良好，感觉不到延迟-Based on TCP, UCP protocol Quartet voice communications, (Quartet to Octagon chat), voice quality is good, do not feel the delay