常見例句雙語例句The evaluation criterion is the root mean squared error (RMSE) between predicted ratings and true ones.評判標(biāo)準(zhǔn)是預(yù)測打分和真實(shí)值之間的均方誤差（RMSE）.It obtains low average mean squared error(MSE), fast convergence velocity and decreases the noise sensitivity at the same time.該方法計算簡單、均方誤差小、收斂速度快，并且降低了算法對噪聲的敏感性。A mathematical model is first established for the cooperative precoding matrix optimization which is based on the minimization of the mean squared error.首先基于系統(tǒng)均方誤差函數(shù)最小化準(zhǔn)則建立了數(shù)學(xué)模型；jeit.ie.ac.cn 返回 mean squared error