理学 编译系统 释 pre-processor 预处理器 根据特定的预处理指令对源代码进行相关文本操作的独立程序，包括删除注释、包含其他文件以及宏替换等。
系统软件 语言与编译 释文 precompiler 预编译程序
- radio-frequency interference
- radio frequency ion thruster
- radio-frequency leakage
- radio-frequency line
- radio-frequency mass spectrometer
- radio frequency MEMS
- radio frequency metrology
- radio frequency micro-electromechanical system filter
- radio frequency micro-electromechanical system mixer
- radio frequency micro-electromechanical system switch
- radio frequency module
- radio frequency navigation
- radio-frequency oscillator
- radio frequency plasma
- radio-frequency plasma
- radio frequency quadrupole linear accelerator
- radio-frequency radiation
- radio frequency resonant accelerator
- radio frequency, RF
- radio frequency sensor
- radio-frequency signal
- radio-frequency spectrum
- radio-frequency sputtering
- radio-frequency sputtering, RF sputtering
- radiofrequency thermocoagulation for trigeminal neuralgia