耳门
The coaxial waveguide has such structure parameters that the TEM, TE 11 and TE 21 modes can propagate in it.
同轴波导工作于过模状态,可同时传输TEM、TE11、TE21模。
The Theory and Experiment of a TE_ ( 21)-Mode Coupler
TE_(21)模耦合器的理论与实验
The Character and High Yield Planting of the New Rice Variety Te You 21
优质稻特优21的性状与高产栽培技术
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