例句與造句

1. This paper presents new estimator for the symmetric distribution function . it is shown that the estimator performs better than the estimator fn ( x ) in bibliography [ 1 ]
   摘要針對(duì)未知對(duì)稱分布函數(shù)提出新的非參數(shù)估計(jì)量，并證明了此估計(jì)量一致優(yōu)于文獻(xiàn)[ 1 ]給出的估計(jì)量。
2. Secondly , by characteristic statistic , the probabilistic distribution of silt indexes is roughly learned , then the normal and beta distribution probabilistic models are fitted for generally symmetric distribution indexes , and the beta distribution models for all indexes owing to their good adaptability . after tested , the indexes of cuu and < t > m fitted by the beta models are very good
   其次，用特征統(tǒng)計(jì)量對(duì)粉土工程性質(zhì)指標(biāo)的概率分布作了粗略了解后，對(duì)大致對(duì)稱分布的指標(biāo)作了正態(tài)分布和beta分布擬合，對(duì)不對(duì)稱分布的指標(biāo)作了beta分布擬合，最后得出用beta分布擬合c _ ( uu )和_ ( uu )是較理想的。
3. In this paper , we use the main results of type 2 vdr to analyze the spherical symmetric distribution . we obtain the two equivalent representations of the spherical symmetric distribution . they are both a product of a positive random variable and a random vector with uniform distribution , and the domain of uniform distribution are both related with sphere
   本文將第二類垂直密度表示的主要結(jié)論應(yīng)用于球?qū)ΨQ分布，得到了球?qū)ΨQ分布的兩種等價(jià)表示形式，它們都是一個(gè)正隨機(jī)變量與一個(gè)均勻分布向量的乘積的形式，且均勻分布的區(qū)域都與球有關(guān)。
4. It's difficult to find symmetric distribution in a sentence. 用symmetric distribution造句挺難的