常見例句雙語例句The key technologies are curvelet transform and least-squares fitting.關(guān)鍵技術(shù)是利用曲波變換和最小二乘擬合對邊界定位。In the program, three kinds of nonlinear least-squares fitting methods were supplied for processing the complex positron lifetime spectrum.為處理復(fù)雜的正電子壽命譜，本程序可提供三種非線性最小二乘擬合方法。The comparison among various methods of parameter estimation shows that the least-squares fitting method in the time domain is more accurate one.各種參數(shù)估值方法的比較表明，時(shí)間域最小二乘擬合法較為精確。 返回 least-squares fitting