例句與造句

1. In the 1950s and 1960s, artificial dielectrics were studied for lightweight microwave antennas.
2. Artificial dielectrics came into use with the radar microwave technologies developed between the 1940s and 1970s.
3. The term " artificial dielectrics " came into use because these are macroscopic analogues of naturally occurring dielectrics.
4. Artificial dielectrics were proposed because of the need for lightweight structures and components for various microwave delivery devices.
5. There is also an extensive reference list that is focused on the properties of artificial dielectrics in the 1990 book,"
6. It's difficult to find artificial dielectrics in a sentence. 用artificial dielectrics造句挺難的
7. With artificial dielectrics Kock was able to see that any value for permittivity and permeability, arbitrarily large or small, can be achieved, and that this included the possibility of negative values for these parameters.
8. Pioneering works in microwave engineering on artificial dielectrics in microwave were produced by Winston E . Kock, Seymour Cohn, John Brown, and Walter Rotman . " Periodic " artificial structures were proposed by Kock, Rotman, and Sergei Schelkunoff.