coarse wavelength division multiplexing

Qvision

QQZM IPC mobile surveillance High resolution IPC from QQZM, support D1 viewing. Support online alarming, playback local video and picture, as well as ...

وصية

كُتِبَ عَلَيْكُمْ إِذَا حَضَرَ أَحَدَكُمُ الْمَوْتُ إِنْ تَرَكَ خَيْرًا الْوَصِيَّةُ لِلْوَالِدَيْنِ وَالْأَقْرَبِينَ بِالْمَعْرُوفِ حَقًّا عَلَى الْم...