例句與造句

1. To convert it to 75 ohm matching Transformer Balun is used.
2. As with a two-winding transformer balun, the ratio of voltage to current changes in proportion to the square of number of windings between the two input wires divided by the number of windings between the two output wires.
3. It's difficult to find transformer balun in a sentence. 用transformer balun造句挺難的