电子电子表格软件
electronic spreadsheet software
electronic spreadsheet package
电子-电子交互作用
electron-electron interaction
电子-电子散射
electron electron scattering
electron-electron scattering
电子-电子相互作用
electron-electron interacton
electron electron interactions
electron-electron interaction
多用电工螺丝起子
multi-purpose electrician screwdriver
精密光电电位计
precision photo-electric potentiometer
氢离子电位计
potentiometer hydrogen ion
hydrogen ion potentiometer