例句與造句

1. The value obtained by this program was considered definitive until 1968, when radar and dynamical parallax methods became more important.
2. The distance to S Monocerotis and NGC 2264 has been derived in various ways, including dynamical parallax and icochrone fitting.
3. The mass / luminosity relation is important because it can be used to find the distance to binary systems which are too far for normal parallax measurements, using a technique called " dynamical parallax ".
4. It's difficult to find dynamical parallax in a sentence. 用dynamical parallax造句挺難的