spectrum n. (pl. -tra ) 1.【物理学】谱,光谱;波谱;能谱,质谱。 2.【无线电】射频频谱;无线电(信号)频谱。 3.【心理学】(眼睛的)余像;残像。 4.〔转义〕范围,幅度;(连续的)系列。 an absorption spectrum 吸收(光)谱。 a bright line spectrum 线状光谱。 an optical spectrum 光谱。 a solar spectrum 太阳光谱。 a wide spectrum of opinion 意见的不同幅度甚大。
Telecommunications designation of frequency bands subject to payment of spectrum utilization fee order 电讯指定须缴付频谱使用费的频带令
Telecommunications designation of frequency bands subject to payment of spectrum utilization fees order 电讯指定须缴付频谱使用费的频带令
Telecommunications level of spectrum utilization fees second generation mobile services regulation 电讯频谱使用费的水平第二代移动服务规例
Telecommunications ( designation of frequency bands subject to payment of spectrum utilization fees ) order 《电讯(指定须缴付频谱使用费的频带)令》
Telecommunications method of determining spectrum utilization fees third generation mobile services regulation 电讯厘定频谱使用费的方法第三代移动服务规例
Telecommunications method for determining spectrum utilization fees third generation mobile services regulation 电讯厘定频谱使用费的方法第三代移动服务规例
Telecommunications designation of frequency bands subject to payment of spectrum utilization fee amendment order 2004 2004年电讯指定须缴付频谱使用费的频带修订令
Telecommunications designation of frequency bands subject to payment of spectrum utilization fee amendment order 2007 2007年电讯指定须缴付频谱使用费的频带修订令
Telecommunications method for determining spectrum utilization fees third generation mobile services amendment regulation 2004 2004年电讯厘定频谱使用费的方法第三代移动服务修订规例