for our analysis we selected 8 events with large multiplicity, for example in each event multiplicity is greater than 1000, from emu01 ( emu12 ) database . firstly the data of polarized angle of flying-out particles is extracted and its distribution ( histogram ) is given 出于研究目的和分析方法的高多重数事例需要,我们挑选了emu01(emu12)数据库中多重数较大的8个事例(每个事例带电次级粒子数均大于1000)。