The effect of antenna size on frequency is analysed, whi ch shows that the frequency ratio can be tuned from 1.67 to 2.67.

分析 了天线尺寸变化对工 作频率的影响，得出所设计的天线频率比在1.67～2.67范围内可调。

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The results showed that LDL-VLDL-GGT and the ratio of LDL-VLDL-GGT/ GGT were significantly higher in PHC than LC and CH(P<0.01).

结果表明，原发性肝癌血清LDL-VLDL-GGT以及LDL-VLDL-GGT占血清总GGT的百分比显著高于肝硬化、慢性肝炎及非肝脏疾病组（P＜0．01）。

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