Table 5 Characterization of the events and the occurrence frequency of swimmer 3 in the eight times of observation. Criteria Times of Observation Settings(moles) N IE EMA 1st time 1b2,1b3,1c3,1t2,1p4 1b2,1b4,1c3,1t2,1p4 1 4 ,20 ,80 2nd time 1b8,1t5,1t7 5 1 PAP 1st time 2b3,2b4,2c2,2t1,2t4,2p4 2b3,2b4,2c2,2t2,2t4,2p4 4 1 ,80 ,20 2nd time 2b6,2p9 5 1 SAP 1st time 3b1,3b4,3c1,3t3,3p3 3b1,3b4,3c2,3t3,3p3 3b1,3b4,3c2,3t3,3p4 1 3 1 ,20 ,60 ,20 2nd time 3t5,3t8 3t6,3t8 4 1 ,80 ,20 SMRB 1st time 4b1,4c1,4t2,4t4,4p3 4b1,4c1,4t2,4t4,4p4 4b1,4c2,4t2,4t4,4p4 1 2 2 ,20 ,40 ,40 2nd time 4t7,4t12 5 1