例句與造句

1. Very early analog ratio meters consisted of a card with two holes, one blank and the other covered with a strip of neutral density.
2. Stations can transmit HD Radio through their existing antennas using a diplexer as on AM, or are permitted by the FCC to use a separate antenna at the same location, or at a site licensed as an analog ratio of signal strength to each other so as not to cause destructive interference with each other at any given location where they may be received.
3. It's difficult to find analog ratio in a sentence. 用analog ratio造句挺難的