随着医院信息系统的不断扩充，网络的安全问题就摆在了需要迫切解决的地位。

Along with HIS continuously expand, the safe problem of the network put at the position that need to be resolved urgently.

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随着医院医疗信息系统的蓬勃发展 ，手持设备 （PDA ）在HIS系统中应用的领域不断扩大。

Along with the booming development of hospital medical treatment information, the application of hold-equipments(PDA)in the HIS system extendds continuously.

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