基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。
For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.
假设我们想要一串正的随机数字流，它比服从向后参考约束的数字流要小。
Suppose we want a stream of positive random Numbers less than one that obey a backward-looking constraint.
这种假设解释了在一段时间内表型性状的随机变异，但没有解释表型性状为什么会进化。
This assumption explains the random variation of phenotypic traits over time, but it doesn't explain why phenotypic traits evolve.
金融学中我们常假设随机变量,例如收益率,是服从正态分布的
We often assume in finance that random variables, such as returns,are normally distributed.
股价波动服从随机高斯分布或者正态分布的假设是不正确的。
The conventional assumption that stock markets behave according to a random Gaussian or normal distribution is incorrect.
其次，假设有许多适合居住的可供定居点，佛思计算了这些定居点随机分布的概率。
Then, Force calculated the probability that the sites were randomly located, given that plenty of suitable land was available for settlement.
我们不能假设只存在两种解释：随机过程和智慧设计。
It is wrong to insinuatethat the field of explanations consists only of random processes ordesigning intelligences.
假设程序能以每秒100种不同随机序列的速度猜测密码，平均要12年才会偶尔猜中您所选的密码。
Assuming the program could guess a different random sequence at the rate of 100 per second, it would take an average of 12 years to chance upon your chosen password.
我们经常在金融学中假设随机变量，比如回报，是正态分布的。
We often assume in finance that random variables, such as returns, are normally distributed.
如果您决定排除虚假设—结果可以按照零分布的随机抽样可变性获得，那么大多数统计师都不会有争议。
Most statisticians would not argue if you decided to reject the null hypothesis that the results can be accounted for in terms of random sampling variability from the null distribution.
但是普渡大学的一组研究者用意想不到的方式挑战了衰变速率恒定这个假设。相比于原子核衰变，他们对随机数更感兴趣。
But that assumption was challenged in an unexpected way by a group of researchers from Purdue University who at the time were more interested in random Numbers than nuclear decay.
要检验虚假设，需要知道在假设存在随机抽样可变性的情况下获得这么一个极限值的概率。
To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.
倘若用科学假设的眼光来看，宗教信仰的确不值一提：他们仅仅讨论一些特例，他们都是随机事件，他们很少做出预测并且就算他们给出了一些预言，也很少成为现实。
Taken as hypotheses, religious claims do very badly: they are ad hoc, they are arbitrary, they rarely make predictions and when they do they almost never come true.
本文主要就有效市场假设及与有效市场假设有联系的随机游动假设，以及有效市场假设对公司财务的意义作一初步探讨。
This paper makes a preliminary research on the efficient market hypothesis and the random walk hypothesis related as well as its implications for corporate finance.
在分析高级随机包标记算法(AMS)的基础上，提出了一种基于反向确认的攻击源追踪模型，该模型不再需要AMS过强的假设前提。
On the basis of analysis about advanced marking scheme (AMS), a reverse-validation IP traceback scheme is proposed, which no longer requires the too strong assumption of AMS.
该方案在离散对数问题和随机预言模型假设下是安全的。
The scheme is secure under the assumption of the intractability of logarithm problems and the random oracle model.
本文假设在复合二项模型中保险公司的保费收入流为一个随机变量序列，将模型进行推广。
Supposed the income flow of the insurance company is a serial of random variables in the compound binomial model, we generalized the compound binomial model.
假设输入函数为各态历经的平稳随机过程，得出各输出响应的谱密度与频率的关系。
The relations between spectrum densities of system output responses and frequency were obtained by assuming input functions to be ergodic and stable stochastic processes.
在此问题上，以前的研究工作中一个经典的假设是基站与用户之间的信道条件变化为一平稳随机过程。
Previous work on this problem has typically assumed that the channel conditions between the base station and the users are governed by a stationary stochastic process.
目标运动的基本假设是在一段观测时间中保持常速度，并有随机速度扰动。
A basic assumption concerning source motion is to consider it to be of constant velocity with random perturbations over the observation intervals.
同时，假设断裂成核点随机分布于样品中，依据统计原理导出了一组完备的方程组，由此从理论上给出了碎片的数目及其大小分布关系式。
With the assumption that the sites of fracture nucleation are randomly distributed in the sample, we deduce out a set of enclosed equations for predicting the fragment number and size distribution.
在一定的假设下，可以把启发式搜索看作一种随机取样的过程，从而可以把统计推断方法引进搜索。
Under certain hypothesis a heuristic search can be considered as a random sampling process. Thus, it is possible to transfer the statistical inference method to the heuristic search.
现有解决方案使用基于哈希流抽样算法，其基本假设是存在均匀随机哈希函数。
The existing solutions use hash-based flow sampling algorithm, which assumes that the uniform random hash functions are available.
在误差随机过程为平稳正态过程的假设下，研究了无人飞行器撞地概率的计算问题。
The clobber probability of a pilotless aircraft is studied on the assumption that the error stochastic process is normal stationary process.
在高密度随机背包困难性假设下，可以证明方案在唯密文攻击下是安全的。
Under the assumption that the random high-density knapsack problem is infeasible, the proposed schemes are provably secure against ciphertext-only attack.
证明了在BDH问题假设和随机预言机下新方案是安全的。
It is proved that the proposed scheme is secure under the BDH assumption and the random oracle model.
PERT的理论基础是假设项目持续时间以及整个项目的完成时间是随机的，且服从某种概率分布。
The assumption that the duration of a project and the whole project's finishing time is random and submitted to some kinds of probability distribution is the theoretical basis of the PERT.
研究由一个地区分销中心和多个不同的零售商组成的地区分销系统，假设顾客需求是随机的价格弹性需求。
A regional distribution system, consisting of one center and some different retailers, is studied on the condition that the market demand is stochastic and price-elastic.
假设那看似善意性的安排：为何在一无止尽的时间中，原子的随机运动不能创造出这样的结果？
Suppose it looks like a benevolent arrangement: why cannot the random motions of atoms create it, given an infinity of time?
假设那看似善意性的安排：为何在一无止尽的时间中，原子的随机运动不能创造出这样的结果？
Suppose it looks like a benevolent arrangement: why cannot the random motions of atoms create it, given an infinity of time?
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