y=2sin(2x-π/3)令sin(2x-π/3)=0则2x-π/3=kπ,其中k∈Z此时,x=kπ/2+π/6∴对称中心:(kπ/2+π/6,0),其中k∈Z令sin(2x-π/3)=±1则2x-π/3=kπ-π/2,其中k∈Z此时,x=kπ/2-π/12∴对称轴:x=kπ/2-π/12,其中k∈Z