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关于光纤用什么材料做的？
关于光纤用什么材料做的？
光纤 通信58/87
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App01:31![中国科学家实现500公里级光纤量子通信传输[高清版]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d2c9b65c77954cdea36254088007ce24~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501100930299C74760154BA3F53125D&requestFrom=704&version_code=80402&x-expires=1768008630&x-signature=46MqdLxfoYYFNVYhh8LHXqm8jIA%3D)
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App00:45![光纤损耗：光纤每单位长度上的衰减[高清版]](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/7572d77f7412441d8d0cfdc601393474~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501100930299C74760154BA3F53125D&requestFrom=704&version_code=80402&x-expires=1768008630&x-signature=kNRRdVvlAxeq71h%2BvrGP6AoZaS8%3D)
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App01:00![可见的和不可见的光波[高清版]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0026/04fdf8f52309b18ae64dc30ca13752ed~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501100930299C74760154BA3F53125D&requestFrom=704&version_code=80402&x-expires=1768008630&x-signature=ZapGyoPG%2F%2FqFDAPaSx8MOmz0gy8%3D)
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