例句與造句

1. Several methods for the noise covariance estimation have been proposed during past decades, including ALS, mentioned in the section above.
2. His work included research in statistics, deformation measurements, variance-covariance estimations in geodesy and immobiles, optimization of geodetic networks and datum transformations of geodetic systems, and satellite altimetry.
3. It's difficult to find covariance estimation in a sentence. 用covariance estimation造句挺難的