例句與造句

1. Linear estimation of the number of zeros of abelian integrals for cubic isochronous centers
   對(duì)某些三維等時(shí)中心abel積分零點(diǎn)個(gè)數(shù)的線(xiàn)形估計(jì)
2. Admissibility of linear estimation of multivariate linear model with respect to a restricted parameter set
   帶有不完全橢球約束的多元線(xiàn)性模型中線(xiàn)性估計(jì)的可容許性
3. For simplicity and from the properties of local fitting , we only show the asymptotic theory of the local linear estimations for the drift and diffusion functions respectively
   為簡(jiǎn)單起見(jiàn)，我們只給出了局部線(xiàn)性估計(jì)的相合性和漸進(jìn)正態(tài)性的證明
4. In this paper semiparametric regression is presented to solve the problem , moreover the algorithm is given . it is an iterative process between linear estimation and nonlinear estimation . the linear estimation is ls estimation and the nonlinear estimation is a wavelet denoising process of residual
   本文提出的半?yún)?shù)回歸方法較好的解決了上述問(wèn)題，并給出了相應(yīng)的算法：這是一種線(xiàn)性估計(jì)和非線(xiàn)性估計(jì)相互迭代的方法，線(xiàn)性估計(jì)是最小二乘法，而非線(xiàn)性估計(jì)是基于小波對(duì)殘差去噪的方法。
5. These imply that the spatial distributions of the different grades of the arable land , classified by the reference land unit method , reflect reasonably the spatial changes of geomorphological units and soil types . the linear estimation model between comparable productions and the corresponding quality ratings of 210 sample units shows that the coefficient of determination r2 is 0 . 876 , which means that 87 . 6 % of the change of y is explained by the change of x . it is concluded that the arable land quality ratings calcul ated by the method can reflect the biologic productivities of land
   另外，利用210個(gè)樣點(diǎn)單元的標(biāo)準(zhǔn)糧產(chǎn)量( y )與其對(duì)應(yīng)樣地法土地質(zhì)量分( x )進(jìn)行線(xiàn)性擬合，判定系數(shù)r ~ 2等于0 . 876的含義是指y的變異中有87 . 6是由x引起，表明了樣地法土地質(zhì)量分的高低較好地反映了耕地的生物生產(chǎn)力水平。
6. It's difficult to find linear estimation in a sentence. 用linear estimation造句挺難的