局域网聊天程序，获取局域网内活动机子（10人左右），实时。TAB为发关消息快热键-lan talk tool.

电话计费系统，可以根据您的通话距离和通话时间自动算出您本次通话的费用。-Telephone billing system can automatically calculate the cost of your calls based on your distance calls and talk time.

This setup illustrates the principle of coherent detection and digital signal processing (DSP) for a coherent 112Gb/s QPSK signal. The system performance is limited by noise (added in front of the receiver), chromatic dispersion and PMD (taking place