During 2012-2023, The enterprise(MFOCN) plans to build 20,000-km-long major optical fiber network.
举一反三
- According to , optical fiber movable connectors can be divided into two types: aligning type and non-aligning type. A: Connection method B: Structure C: Optical fiber mutual contact relationship D: Optical fiber type
- Optical fiber communication refers to: 光纤通信指的是:
- 无源光网络由哪些部分构成?( ) A: A.OLT(Optical Line Terminal)-光线路终端 B: B.ONU(Optical Network Unit)-光网络单元 C: C.ONT( Optical Network Terminal)-光网络终端 D: D.ODN(Optical Distribution Network)-光分配网
- When using a connector for optical fiber connection, if the connector is not continuous, it will cause . A: Optical power cannot be transmitted B: Fresnel reflection of optical power C: Scattering loss of optical power D: Part of the scattering loss of optical power or return to the transmitting end in the form of reflection
- The established business of the enterprise is the root of the growth of the entrepreneurial enterprise, and should not be changed during the growth of the enterprise ( )