它们与其它函数共同起作用，交换和处理数据以完成任务。
They work with other functions, exchanging and processing data to get tasks done.
同时现有绝大多数HIS都缺少网际信息交换和处理的能力。
In addition, most HIS is lacking of the ability to exchange and transact the medical message in Internet.
它就要求网络间的数据传递、交换和处理要有很高的安全系数。
It would require a network of data transmission, exchange and processing a high safety factor.
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