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。
Design of protection circuit of regular pressure for the case of on - line industrial color - spectrum apparatus 工业在线色谱仪机箱正压保护电路的设计
As compared with multi - channel analyzer , platform of microcomputer consumes much more energy , , thereby , it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus 对于基于台式机和笔记本平台的多道脉冲幅度分析器,微机平台功耗很大。因此选用新型低功耗微机平台,开发小型、低功耗的核能谱仪,成为今后核能谱仪的研究发展方向。