The invention relates to a charged-particle optical system with dual loading options.
本发明涉及具有双装载选项的带电粒子光学系统。
The effect of superstrate on characteristics of dual-band microstrip antennas with bilithic reactive loading is studied firstly.
首次研究了多层介质覆盖对电感加载双频微带天线特性的影响，得到一些有意义的结论。
Meanwhile, the CCSR unit cell loading planar waveguide is a new type of planar waveguide dual-bandpass filter with perfect bandpass characteristic and small size.
单个交叉椅型谐振结构加载的平板波导作为一种新型的滤波器结构，具有良好的双通带特性，尺寸较小。
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