addition coefficient selection in equipment selection

GT selection rules (=Gamow-Teller selection rules)

railway route selection；railway location；approximate railway location；location of railway route selection

Route Selection and Station Site Selection

site selection and capacity selection

variable selection and value selection

AC voltage waveform

AC waveform

Acoustic Full Waveform

acoustic waveform

active waveform

adapting welding phsics process waveform control

adaptive pulse waveform shaping

adaptive waveform synthesis

Adjustable output waveform

air-gap flux waveform

alterable parameter of waveform

alternating direction implicit waveform relaxation method

amplitude modulation waveform