The investigation is helpful for the application of the electromagnetic field in the medical works, and it can also provide useful data and information to avoid unnecessary hurt and accident.
它既有利于电磁波在医学上的应用，又可以有效地提供可靠的资料和数据，以避免出现不必要的伤害事故。
The investigation is helpful for the application of the electromagnetic field in the medical works, and it can also provide useful data and information to avoid unnecessary hurt and accident.
它既有利于电磁波在医学上的应用，又可以有效地提供可靠的资料和数据，以避免出现不必要的伤害事故。
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