吸引子共存与不同条件:(a)、(b)、(c)问= 0.98,年代= 10,初始条件(0.005、0.005−0.1,0.1),(0.5、0.005−0.1,0.1),和(0.58、0.005−0.1,0.1);(d)、(e)、(f)问= 0.99,年代= 5,初始条件(−−0.9、0.1,0.1,0.1),(−−0.9、0.2,0.1,0.1),和(−−0.9、0.82,0.1,0.1)。