The softness of the golden gas lighting has given way to violent sparks from neon tubes , the cracking caused by wooden shoes on wooden pavement has been replaced by the hissing of rubber on asphalt road 煤气街灯发出了柔弱的金黄色光亮，而如今已让位于大放异彩的日光灯管；木屐在木板铺就的人行道上踩踏而发出的咯咯声，现如今已被胶鞋踩在柏油马路上发出的吱嘎声响所替代。
People serious realized the problem that whether it wasted time to sleep , just when gaslight replaced candle , electric light did for gas light , and nightmare became daylight , 24 hour inverse - class work made the production double 只是在煤气灯代替蜡烛，电灯又代替了煤矿气灯，黑夜变成了白昼并通过24小时倒班工作制而使产量加倍，人们才开始认真考虑睡眠是否是浪费时间这个问题。
( 2 ) introduce separately the characteristic of the electric light sources , including led , gas lights and cold cathode fluorescent lamps , which are adopted in this system . study both photoelectric principle of the test and construction for the test system （ 2 ）分别介绍了常用电光源发光二极管、气体灯与本系统采用的冷阴极荧光灯的特性，探讨了金免疫层析试条定量测试的光电机理以及定量测试系统的构建。
