LCD displays, by contrast, filter light from a backlight through an array of tiny coloured filters and liquid-crystal shutters.
相比之下，液晶显示技术通过一排微型的彩色过滤器与液晶体检波器来从背光中过滤光源。
A standard of the tunable filter of photonic crystal is set up, which is basis for design.
建立了可调谐光子晶体滤波器的设计标准，作为设计的依据。
Analogue frequency leading USES classic crystal filter group, it has many shorts, such as a great deal components, high cost and large bulk.
模拟式频率引导采用经典的晶体滤波器组，其数量大、成本高、重量体积大。
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