百科名片 磨铁中文网独家签约作品，由作者叶一人创作。
本文讨论了光分组交换网络中的多种组播机制，包括并行模式，串行模式及混合模式全光组播机制。
Different multicasting schemes in optical packet switched networks are discussed, including the parallel mode, serial mode, and hybrid mode multicasting schemes.
未来，可以通过降低光网络组播树的粒度来降低光组播的使用门槛，这将有利于促进组播技术的更广泛使用。
In the future, multicast technologies can be promoted through lowering the threshold for multicast applications, that is, decreasing the granularity for an optical network multicast tree.
就像魔术师通过一组复杂的镜子来隐藏他的戏法，隐身斗篷利用特殊材料改变光的形态，使光线绕过物体，从而使物体在人们的视线中消失。
Like a magician using a complex set of mirrors to hide his tricks, a invisibility cloak USES materials that change the shape of light so that it moves around an object, hiding it from view.
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