hehe

送交者: ziren 于 2009-10-18, 00:06:44:

回答: yuan is somewhat like charles kao 由 kma 于 2009-10-17, 21:05:15:

引用：

This study first theorized and proposed to use glass fibers to implement optical communication, the ideas (especially structural features and materials) described largely are the basis of today's optical fiber communication

所有跟贴:

加跟贴