expand bandwidth的用法和样例：
例句
- This paper will first discuss bandwidth enhancement in general, and then research the multiple resonance method to enhance the bandwidth.
在讨论微带天线频带展宽的基础上，研究多谐振方式展宽频带的方法。 - Both theoretical analysis and calculation show that the essence of bandwidth expansion in a filter loaded klystron output cavity is the introduction of many resonant modes.
分析表明，多个谐振模式的引进是速调管输出腔加载滤波器展宽频带的物理实质。
