Walk-ins in service industry ·In many service industries,appointment scheduling systems are used,while walk-ins are also accepted·Restaurant·Beauty salon·Ba
The relation between the consumer and the manufacturer with flexible interactive decisions。Two-dimensional warranty policy with periodic PM in both basic and e
At present,α-decay,cluster radioactivity(CR),and spontaneous fission attract attention in connection with studies of the structure of heavy and superheavy nucl
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