Peb tau mus dhau qhov gambit ntawm cov ntsiab lus ntawm cov qauv;yuav ua li cas kom cov txheej txheem smoother, obstacles, thaum twg kom paub meej, thiab lwm yam ... Nyob rau hauv no 3rd ncej ntawm lub sampling theem, cia saib cov ntsiab lus tseem ceeb thaum lub sij hawm kos npe tawm.Thaum koj pom zoo cov qauv, ces muab ib qho yooj yim, meej-txiav kos npe tawm tha...
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