期望

In this scheme, the description of unitary evolution and quantum measurement is unified and the quantum control operation is represented by probability state transition. The algorithm works as follows. At first a measurement is applied on the system. If the state after collapse is not the desired eigenstate, then system evolution will go on. After a period of time, the system is measured again. The process will go on like this until we get the desired eigenstate by measurement. Finally the system is driven to the target state with admissible control as before.

4把本征态能控性概念进一步向前发展，提出了概率能控性的概念，将幺正演化和量子测量这两种量子控制手段统一的用概率状态转移来描述，并针对一类特殊的本征态能控的系统，提出了幺正演化和测量交替进行的量子反馈控制策略：如果单步测量所得到的本征态不是期望的本征态，则让系统以这一本征态作为新的初态进行下一步的幺正演化，然后在适当的时候再次测量，让系统塌缩到某一本征态，如此重复进行，直到达到期望的目标态为止。

Most of our troubles arise from expectations, which have not become realities.

许多麻烦的产生是来自于我们的期望，而这些期望却没有成为现实。

Grown-up bosses can also be impatient with the more unrealistic expectations of their employees, especially those held by members of Generation Y ?

成熟的老板也会对员工更多不切实际的期望感到不耐烦，尤其是对那些Y一代成员（朝气蓬勃、20来岁的年轻人）的期望。

Grown-up bosses can also be impatient with the more unrealistic expectations of their employees, especially those held by members of Generation Y – the feisty 20-somethings.

成熟的老板也会对员工更多不切实际的期望感到不耐烦，尤其是对那些Y一代成员（朝气蓬勃、20来岁的年轻人）的期望。

The genetic variations and polymorphisms of six microsatellite loci were analyzed to determine the population structure and breeding progress of BMY and Brahman cattle. The range of polymorphic information content of six loci was 0.524～0.752. The unbiased expected and observed heterozygosity were similar and were 0.7376 and 0.7396,0.6412 and 0.6537 for BMY and Brahman cattle, respectively. The expected heterozygosity was relatively high in the second generation of BMY in inter se breeding, which was congruent with the breeding progress.

对6个牛微卫星座位的遗传变异及多态性分析，以期了解BMY牛和婆罗门牛的群体遗传结构与育成情况。6个微卫星座位的多态信息含量为在0.524～0.752间，BMY牛、婆罗门牛两个群体的平均期望杂合度和观察杂合度值接近，分别为0.737 6和0.739 6，0.641 2和0.653 7，进入横交固定第二世代的BMY牛期望杂合度值较高，这与我们的育种进展相符。

The paper consists of three parts. First, we give the calculation for every order central moment for the Logistic population, mean vector and covariance matrix of the order statistic of random sample from the Logistic population, and means of several special functions for the order statistic of random sample from the Logistic population. Secondly, we discuss the parameter estimation for the Logistic population. Finally, we solve the question about the goodness-of -fit test for the Logistic population.

研究的主要内容分三部分：第一部分是关于Logistic总体各阶中心矩、样本次序统计量期望向量与协方差阵及若干个特殊的样本次序统计量函数期望的计算问题；第二部分是关于Logistic总体分布参数的估计问题；第三部分是关于Logistic总体的拟合优度检验问题。

The audit expectation disparity refers to the difference between the expectations of the public and the public views on the work of chartered accountant.

审计期望差距即指：社会对审计的期望和审计师实际业绩的公众看法之间的差距。

Aldrin at concentrations higher than 40 μg/L decreased life expectancy at birth of F1 generation of the cladoceran, that at 20 μg/L and 80-640 μg/L decreased net reproduction rate, that at 320 and 640 μg/L shortened generation time, and that at all the concentrations decreased intrinsic rate of population increase. Aldrin at 160-640 μg/L shortened life expectancy at birth and generation time of F2 generation of the cladoceran, that at 160 and 640 μg/L decreased net reproduction rate, but that at all the concentrations except for 40 and 320 μg/L increased intrinsic rate of population increase.

浓度高于40μg/L的艾氏剂使多刺裸腹溞F1代的生命期望显著缩短，20μg/L和80~640μg/L的艾试剂使F1代的净生殖率显著降低，320μg/L和640μg/L的艾氏剂使F1代的世代时间显著缩短，所有浓度的艾试剂均使F1代的种群内禀增长率显著降低。160~640μg/L的艾氏剂使多刺裸腹溞F2代的生命期望和世代时间显著缩短，160μg/L和640μg/L的艾氏剂使F2代的净生殖率显著降低；除40和320μg/L外，所有浓度的艾试剂均显著提高了F2代的种群内禀增长率。

When seismic wavelet is in non-minimum phase , we can make it have smaller phase by doing exponential weighting . As for nonwhite noise problem of reflection coefficient , we may employ logarithmic power spectrum to estimate the autocorrelation function of seismic wavelet , then obtain seismic wavelet and deconvolution opera .

当地震子波为非最小相位时，可利用指数加权方法使之小相位化；对于反射系数非白噪声问题，本文提出利用对数功率谱来估算地震子波的自相关函数进而求取地震子波以及反褶积算子的方法；对于理想的期望子波，本文采用"宽带雷克子波"作为期望输出子波。

So try to begin this new year by learning how not to expect too much, not only from me just from every one, from every one you know like from the world the country, the politicians, the foot ball club, your own favorite club.

就像你们现在听到的，我身边总是有各种的事务，而我又好像有某种学习障碍，我总是记不住别人的名字，记不住各种约会或者会面，这些可能都给你们很多人带来了压力，所以请试着以学习如何不抱太大的期望来开始这个新年吧，不仅是对我不要抱太大期望，也对你认识的每一个人，对世界、对国家，对政客，对足球俱乐部，对你最喜欢的俱乐部，都要学会不抱太大的期望。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。