2.2 代号

ATSE 自动转换开关电器 automatic transfer switching e-quipment

EMC 电磁兼容性 electromagnetic compatibility

EMI 电磁干扰 electromagnetic interference

HDTV 高清晰度电视 high definition television

LPZ 防雷区 lightning protection zone

PA 主赛区（比赛场地）principal area

SELV 安全特低电压系统 safety extra-low voltage

TA 总赛区 total area

TSE 转换开关电器 transfer switching equipment

TV 标准清晰度彩色电视 television

Eh 水平照度 horizontal illuminance

Ev 垂直照度 vertical illuminance

Evmai 主摄像机方向垂直照度 vertical illuminance in the direction of main camera

Evaux 辅摄像机方向垂直照度 vertical illuminance in the direction of auxiliary camera

GR 眩光值 glare rating

Ra 一般显色指数 general colour rendering index

STIPA 扩声系统语言传输指数 speech transmission index for public address system

Tcp 相关色温 correlated colour temperature

U1最小照度与最大照度之比 the ratio of minimum illuminance to maximum illuminance

U2最小照度与平均照度之比 the ratio of minimum illuminance to average illuminance

UGR 统一眩光值 unified glare rating