单词	活动相关图
释义	活动相关图activity-relationship chart
随便看	general purpose switch general purpose system simulator general purpose system simulator (gpss) general purpose system simulator--gpss general purpose system simulator{=gpss} general purpose system simulator，gpss general purpose systems simulation general purpose systems simulation--gpss general purpose systems simulation，gpss general purpose time-sharing system general purpose tractor general-purpose transformer general-purpose vehicle general quadratic surface general quantity general quarter bill general quarters general radiation general radio communication general radiocommunication general rational fraction general reader general recognition principle general recombination general recommendation