ÎÆÀí×ø±ê²»ÔÚ[0,1]ÄÚʱµÄÎÆÀíЧ¹û

u¡Ê[0,1], v¡Ê[0,1]

u¡Ê[0,1], v¡Ê[-1,0]

u¡Ê[-1,0], v¡Ê[-1,0]

u¡Ê[0,2], v¡Ê[0,3.5]

u¡Ê[0,2], v¡Ê[-3.5,0]