#每日学单词# photonics /fəʊˈtɒnɪks/名词：The branch of technology concerned with the properties and transmission of photons, for example in fibre optics.光子技术的一个分支，涉及光子的特性和传输，例如在光纤中。光电；光子学。例句：Spie recognizes optics and photonics as an important technological branch of modern physics.