例句與造句

1. For a vertically polarized transmission the magnitude of the electric field of the electromagnetic wave produced by the direct ray plus the reflected ray is:
2. For line-of-sight communications or ground wave propagation, horizontally or vertically polarized transmissions generally remain in about the same polarization state at the receiving location.
3. Polarization is important in radio communications because, for instance, if one attempts to use a horizontally polarized antenna to receive a vertically polarized transmission, the signal strength will be substantially reduced ( or under very controlled conditions, reduced to nothing ).
4. It's difficult to find vertically polarized transmission in a sentence. 用vertically polarized transmission造句挺難的