在LED快速通断中，通过光源的变化比率进行可能的编码进行发送0和1。
It is possible to encode data in the light by varying the rate at which the LEDs flicker on and off to give different strings of 1s and 0s.
这些LED光源将使“智能”公路和停车场变得可行，而且标记都可以变化，而电池将产生足够的能量来为企业、城市、最终将可以为整个国家来供电。
The lights would allow for "smart" roadways and parking lots with changeable signage, while the cells would generate enough energy to power businesses, cities and, eventually, the entire country.
能量因光源的辐射波长跨度变化而变化。
The variation of energy due to the source over the wavelength span of the emitted radiation.
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