SECAM
noun /ˈsiːkæm/
/ˈsiːkæm/
[uncountable]- a television broadcasting system that is used in France and some other countries
法国和其他一些国家/地区使用的电视广播系统将NTSC，PALWord进行了 词源from French séquentiel couleur à mémoire (so named because the colour information is transmitted in sequential blocks to a memory in the receiver).