- Theysawafootmarkinthesand.Ilikewe'resaunterandleaveafootmarkinthebeach.Secondly,asregardsordinalrankingmethod,thisthesismostlystudiesN-dimensionfootmark-selectinglocation.Accordingtoitscharacteristicofobjectiveandhonest,oneselfismixedexaminevalue,po...
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