dsrrsCOCA²⁸⁰¹³⁶⁺⁵ 例句 The simulation results demonstrate that the physical dimensions of the antenna have been significantly reduced by DSRRs substrate, and can be no longer proportional to the working wavelength. 仿真结果表明,基底加载左手材料可使天线的物理尺寸明显减小,突破了半波尺寸的限制; boshuo