盐度的被动微波辐射遥感虽然在L波段灵敏度最高，但是其在L波段的灵敏度低于其它许多变量，因此对盐度反演模型精度要求很高。
Even though the window at L-band is the best choice for salinity remote sensing, the sensitivity of brightness temperature to SSS is lower than that of the other variables.
负折射率媒质是一种人造媒质，在某一微波波段内其介电常数和磁导率同时为负值。
Negative refractive index materials are artificial materials with permittivity and permeability both negative within certain microwave frequency band.
前面几章讨论的许多半导体器件都可以在微波波段运行。
Many semiconductor devices discussed in the previous chapters can be operated in the microwave region.
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