工学 功能型光纤型测量 释 photonic crystal fiber；PCF 光子晶体光纤传感技术 由单一材料构成，包层中具有周期性微米量级缺陷结构（如空气孔）的新型光纤。光子晶体光纤又称微结构光纤或多孔光纤。
网络与数据通信 无线网络 释文 point coordination function, PCF 点协调功能
- purely atomic measure
- purely binary number
- purely contractive operator-valued function
- purely discrete spectrum
- purely imaginary
- purely imaginary expression
- purely imaginary number
- purely imaginary quaternion
- purely imaginary time
- purely indecomposable group
- purely infinite von Neumann algebra
- purely inseparable element
- purely inseparable extension
- purely inseparable isogeny
- purely inseparable mapping
- purely inseparable morphism
- purely nondeterministic process
- purely periodic
- purely periodic decimal
- purely quadratic function
- purely random process
- purely scattering
- purely scattering atmosphere
- purely transcendental extension
- purely unrectifiable set