样本分布

Thus, it is possible to distinguish the three distribution patterns according to square deviation (S2) and averages of your sampling.

因此，可以根据以样本的均方(S2)及平均来区别这三种分布的类型。

Discussed the subject on the rich symbiont germplasm resource in China and on further research being necessary to exploitation and utilization of the benificial germplasm.

文摘：针对我国主要豆科作物大豆和花生的研究成果，并结合本身研究工作内容，(1)总结了与宿主共生的根瘤菌生物学多样性，包括大、小样本的土著根瘤菌群体数量、分离频率、类型与分布及其菌株―宿主共生混交性与亲和性；(2)评述了根瘤菌―宿主植物共生体双边固氮改良，包括优良菌株的选育、宿主品种资源共生特性的评价与利用及特异性状的选择；(3)讨论了我国这一类共生体资源的丰富性以及有必要进一步加大力度研究有益资源的开发和利用的问题。

If we wish to avoid the inaccuracies caused by the size of the sample , we need to use the T distribution.

为了避免因样本容量大小而造成的误差，我们必须使用T分布。

The empirical Bayes estimation for parameters of the one-side truncated distribution family with convergence rate which can close to 1 arbitrarily is investigated using NA samples and an example that satisfies the conditions of theorem is given.

运用NA样本密度函数核估计构造了一类截断型分布族参数的经验Bayes估计，建立了它的收敛速度，证明了在适当条件下该收敛速度可以任意接近于1，文中还给出了适合定理条件的例子。

OBJECTIVE: To study the innervations and course of the medial and inferior calcaneal nervesDESIGN: Single specimen experiment.

目的：了解人体下肢跟内侧神经和跟下神经的走行和分布。设计：单一样本实验。

To assess the dosimetric difference and inter-fractional variation of balloon setup, the paired Student t-test was used.

用成对样本t检定评估剂量分布差异及分次治疗间摄护腺的位移误差。

Using the quantitative method of studying the non-classical nonlinear behavior of rock given by Guyer, it is conveniently to get the distribution density of hysteretic elastic unit in the so called Preisach-Mayergoyz space.

利用Guyer等提出的研究非经典非线性的定量化方法，反演得到了实验室样本的P-M空间密度分布函数。

The rolling compaction, vibrating compaction, or gyratory compaction specimens have the good statistical properties, the big sample analysis indicated that the distribution is accord with Γ probability density distribution.

轮碾压实、振动压实和旋转压实成型试件的集料颗粒主轴方向具有较好的统计特性，大样本分析显示，基本符合伽马概率密度分布。

The commonly used cluster based segmentation method assumes that the sample distribution is hyperspherical, but this kind of assumption is not consistent with the real characteristic of the human brain MR image.

通常使用的聚类分割方法认为样本的分布是超球形的，然而，这并不符合人脑磁共振MR（magnet－icresonance）图象的真正特点。

It results that although the improvement factor is higher with the number of sub-arrays, the distribution rule of residue clutter plus noise power or the output signal to clutter plus noise ratio doesn't show monotonical relationship with the number of sub-arrays.

研究结果表明：虽然子阵数越多改善因子越高，但在辅助样本数一定的前提下剩余杂噪功率和输出信杂噪比的分布规律并不随子阵数增多而单调趋好。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。