Radio-frequency ablation(RFA) is a safe and reliable non-operation method to cure malignant patients, but it could cause a variety of complications after the treatment.

多弹头射频术是目前不用手术就能杀灭肿瘤的一种安全可靠的方法，但术后可能会出现各种并发症。

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This paper introduces the composition of the software and hardware of the RF (Radio Frequency) Card restaurant charge manage system and it's operation.

介绍了射频卡餐厅收费管理系统软硬件组成及使用方法。

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