1. In television and display, the degree with which colour signals produce the desired colour on the screen of a receiver or monitor. Aslight misalignment of the CRT deflection system can cause the red beam (say) to strike phosphor dots for green or blue screen colour.
贸易
1. n.纯洁,纯度
语源
Middle English: from Old French purete, later assimilated to late Latin puritas, from Latin purus 'pure'
