光学、声学 光学 repeater 中继器
repeater 中继器，重发器
网络与数据通信 协议体系与组成结构 释文 repeater 中继器
- nano coating
- nano cold and heat treatment
- nanocomposite
- nanocomposite material
- nanocomposite materials
- nanocomposite permanent material
- nanocomposites
- nano-compositive rare earth magnet
- nano conductive antistatic materials
- nanoconfined mass transfer
- nanoconfinement effect
- nanocontact printing
- nano controlled-release system
- nanocryopreservation
- nano-crystal
- nanocrystal
- nanocrystal floating gate memory
- nanocrystalline ceramics
- nanocrystalline composite coatings
- nanocrystalline diamond film
- nanocrystalline material
- nanocrystalline semiconductor film
- nano crystals
- nanocrystals
- nano-CT of x rays