To further understand the high-frequency character of it-modes, according tothe matching conditions of electromagnetic fields, a cold dispersion relation is derived bysolving Maxwell? equations for the fields in an equivalent periodic structure.
为了进一步了解分离腔中反向π模场的高频特性，我们从麦克斯韦方程组出发，运用电磁场的匹配条件，推导出分离腔的色散关系及场分布表达式。
参考来源 - C波段双间隙输出腔的理论分析和实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Implementation will be used as the character encoding of high frequency low as possible, thus making the total length of the reduction.
以此实现将使用频率高的字符的编码尽可能的少，也就使得总的长度减少。
The flattened, extended frequency response obviously changes the tonal character by removing "humps" in the output stage response and producing more high and low end frequencies.
为平地，扩展频率响应明显改变音调特征，消除“拱”在输出级的反应和生产更多的高，低端的频率。
Results The coincidence of high-frequency ultrasound examination with tumor's physical character attained 100% and in differential diagnosis of benign or malignant tumors was 87.4%.
结果高频超声在肿块的物理性质诊断方面符合率达100%，在肿块良恶性鉴别诊断方面符合率为87.4%。
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