|
3757| 20
|
[通信标准] YDT 3621.2-2019 面向5G前传的N×25Gbit/s波分复用无源光网络(WDM-PON) 第2部分：PMD |
 1 |
| |
发表于 2020-4-14 19:18:31
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-9-20 14:46 , Processed in 0.117766 second(s), 18 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed