number of zone=3, zone length=1, 结果:transfer time=5.5.
number of zone=3, zone length=2, 结果:transfer time=7.875.
number of zone=6, zone length=1, 结果:transfer time=7.875.
number of zone=3, zone length=3, 结果:transfer time=11.875.
number of zone=9, zone length=1, 结果:transfer time=10.875.