1. arrangement and preparation: to determine the list of a national table tennis delegation, it is necessary to consider the athletes' state, health, training situation and the time schedule with other events. More time is needed to make the best decision.
2. Strategy and competition: The time to publish the list is related to the opponent's situation and competitive strategy. The national team will announce the list in due course to gain the best competitive advantage.
3. Administrative procedures: The publication of the list requires a series of administrative procedures and approval, which takes a certain amount of time.