例句與造句

1. Various models propose that the quantization predicted by Karlsson's formula is related to the emission spectrum signature of hydrogen, described by the Lyman series.
2. The U . S . Air Force already has asked for the new information about the spectrum signature of high-temperature water, for possible use in detecting emission plumes from missiles or aircraft, Bernath said.
3. It's difficult to find spectrum signature in a sentence. 用spectrum signature造句挺難的