释义 |
van de Graaff generator/væn də ˈɡrɑ:f/n. Electr. a machine devised to generate electrostatic charge by means of a vertical endless belt collecting charge from a voltage source and transferring it to a large insulated metal dome, where a high voltage is produced 【电】范德格喇夫起电机 [named after R. J. van de Graaff, US physicist d. 1967] |