Tseem ceeb siv thiab nta: 1. Lub tshuab txiav no yog qhov tsim nyog rau ntau yam khoom uas tsis yog, thiab khoom siv kev kho mob, khoom siv kev ntaus pob thiab lwm yam khoom lag luam. 2. The machine is controlled by the upper machine, which has the functions of knife imitation shape, electronic graphics input, automatic typesetting, and display on the screen. Nws tuaj yeem tswj qhov txav ntawm x, y, z thiab β hauv plaub cov lus taw qhia ...