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The first decision Biogen had to make was whether it was going to use RFID tags or bar codes to carry the serialization numbers for each product.

第一项决定生物遗传不得不是，它是否将使用RFID标签或条码进行的序列号码，每个产品。

Even when the competition started with 87% of non-B biotype and 13% of B biotype in numbers, the non-B biotype was completely displaced in 225 days.

在棉花上，即使以非B型占87%、B型占13%开始共存竞争，经过225d后，非B型也完全被B型替代。

In this paper we determine the signed star domination numbers of all wheels and complete bipartite graph s.

本文确定了所有的轮图和完全二部图的符号星控制数。

This year, members of our bird-watching club are studying different kinds of birds and the changes in their numbers.

今年， 我们观鸟俱乐部的成员正在研究扎龙地区的各种鸟类及它们数量的变化。

There were smaller numbers of bisque dolls made in other countries, including the United States, but most notably France, which had supported a luxury doll industry over the previous half-century.

还有少数的陶瓷娃娃是在美国等其他国家生产的。不过，最值得一提的是，法国曾在19世纪下半叶成为了主宰一时的豪华陶瓷娃娃生产基地。

The special capability that integers have over floating point numbers is their ability to perform bitwise operations.

两者之间的差别只是在实现上有所不同，int通常速度很快。

Although bivalency may play a role, others have observed a plateau in drug uptake with the Fab′ fragments of the human chimerized version of the antibody, albeit over a more limited range of ligand numbers.

虽然抗体的二价性可能可能在此发挥作用，但其它人还观察到在使用人嵌合抗体的Fab′片段时，纵然配体数大大超出了限界，仍然能明显提高细胞对药物的摄取。

The results showed that the organization and gene order of the mitochondrial genomes of these bivalve species studied were different from each other. The size, organization, gene numbers, and gene order of mitochondrial genomes in bivalves at different taxa were different.

结果发现，双壳贝类线粒体的基因组结构、基因排列顺序均互不相同；不同目、科和属之间线粒体基因组的大小、基因排列方式以及基因种类也存在明显的差异，尤其是基因排列方式没有明显的规律。

And when the numbers of rational and irrational investors are almost equal, the effect of volatility on expected returns is weak.4. having extended a Bivariate Mixture Distribution model.

研究结果显示，在中国股市中，1997年之前，相同强度的冲击，收益为正的冲击与交易量放量的冲击对波动的冲击分别大于收益为负的冲击和交易量缩量的冲击；而1997年后情况则相反。

Events,Operation and Relation of Sets, Classical Probability, Geometrical Probability , Statistical Stability of a Frequency, Axioms of Probability, Conditional Probability, Total Probability Theorem, Bayes' Rule,Independent Events,Independent Repeated Trials, One Dimensional Random Variables, Discrete Random Variables, Distribution Function of a Random Variables , Continuous Random Variables, Normal Distribution, Distribution of a Function of a Random Variable, Multidimensional Random Variables, Joint Distribution Function, Marginal Distribution Function,Discrete Two—Dimensional Random Variables,Continuous Two—Dimensional Random Variables, Independent Random Variables, Distribution of Functions of Random Variables,Expectation,Variance, Covariance, Coefficient of Correlation, Bivariate Normal Distribution, Law of Large Numbers, The Central Limit Theorems, Sample and Population ,Chi—Squared, T and F Distributions , Sampling Distributions , Point Estimation , Interval Estimation , Testing Hypotheses , A Test of Significance for Parameters in a Single Sample From a Normally Distributed Population , A Test of Significance for Parameters in Two Sample From Normally Distributed Populations .

本课程的主要内容：概率的概念与运算、随机变量及其分布、随机变量的数字特征与极限定理、数理统计的基本概念、估计和检验的基本方法，随机事件与概率随机事件、事件的关系与运算、几何概率、统计概率等，条件概率、全概率公式、贝叶斯公式、事件的独立性、二项概率公式，随机变量的概念、离散型随机变量、随机变量的分布函数、连续型随机变量、随机变量函数的分布，多维随机变量及其分布函数、边缘分布函数、随机变量的独立性、二维随机变量函数的分布，数学期望、方差、协方差和相关系数、大数定律、中心极限定理，总体与样本， X 2-分布、 t-分布和 F-分布，统计量及抽样分布，假设检验的基本概念、单个正态总体参数的显著性检验、两个正态总体参数的显著性检验。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。