Objective: To study the value of ultrasonography guiding multiple electrodes radiofrequency ablation (RFA) for hepatic carcinoma.

目的：探讨超声引导下多电极射频疗法对肝癌治疗的临床意义。

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Methods 114 patients of liver tumor were treated with multiple electrodes radio-frequency for 170 times, clinical complication and its prevention and cure were observed.

方法对114例肝肿瘤病人进行了170次多电极射频治疗，临床观察治疗后的并发症及防治情况。

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By connecting one set of electrodes to multiple "fins" in a single transistor, the company can make transistors that operate with a greater drive current-a plus for high-performance operation.

通过将单个晶体管中的一组电极与多个鳍片进行连接，能够使这种驱动电流增强的晶体管获得更高的性能。

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