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This text observes research environment first, the estimate starts a business knothole to release time, analyzing again a private enterprise inshore appear on market of the gains or losses order, joining the government a mansion, stock market, business enterprise oneself three angles to resolve a private enterprise inshore appear on market medium the problem for facing.

本文首先观察研究环境，预测创业板的推出时间，再分析民营企业境内上市的利弊点，从政府、证券市场、企业自身三个角度解决民营企业境内上市中面临的问题。

When the signal sources have different cycle frequencies, a method to estimate the optimal time lag is presented. It solves the severe problem that the conventional Cyclic MUSIC requires knowing the optimal time lag in computing the cyclic correlation matrix. A method of two-step search for DOA estimation by employing an interleaving technique and a Joint Estimation Strategy is developed to overcome the inadequency of signal sources with the same cycle frequency having no optimal time lag.

当信源的循环频率各不相同时，提出了一种估计最佳延时的方法，解决了传统Cyclic MUSIC算法计算循环相关矩阵需要已知最佳延时的问题；为克服多个具有相同循环频率信源不存在最佳延时的不足，利用交错技术和联合估计策略，提出了两步搜索估计DOA的方法。

In the four section,we give a kind of method of construction method,we still give an alogrithm for computing Lagrange interpolation polynomial on sphere.and wo give a piecewise interpolation polynomial on sphere and its error estimate.

最后，给出了一种球面分片插值和它的误差估计。

The nonlinearity and discrete gradient inherited in CAViaR model is a conundrum for parameter estimation. We take the asymmetric Laplace distribution with scale parameter as the error process; indicate the variance has a minimum positive value when the scale parameter is a constant, conflicting with the distribution of real financial data. Further we estimate the parameters of indirect TARCH-CAViaR model base on Bayesian framework and Markov chain Monte Carlo method. The optimal scale parameter can also be obtained by Markov chain Monte Carlo method.

CAViaR一般模型中递归分位回归方程的非线性和非连续可微性是参数估计的一个难题，基于含有尺度参数的不对称拉普拉斯分布作为误差过程，指出将尺度参数固定为常数会导致不对称拉普拉斯分布随机变量的方差存在最小正值的限制，与实际金融数据分布不符；进而提出采用贝叶斯分析和马尔科夫链蒙特卡罗模拟方法，估计间接TARCH-CAViaR模型的参数，并可获得尺度参数的合理估计。

Finally the connections between the Lebesgue measure for its image and Bessel-Ricsz capacity are discussed and an explicit Bessel-Riesz capacity estimate is obtained.

利用鞅的方法讨论了广义布朗单的碰撞概率与容度之间的关系，给出了其碰撞概率的容度估计。

In chapter three,we consider first order generalized difference scheme for linear Sobolev equation in two dimensions.Lp and W1,p-norm error estimates of the Ritz-Volterra projection u-Vhu and W1,p-norm super error estimate of uh-Vhu are made,so we obtain Lp and W1,p-norm error estimatesOf u-uh.

第三章考虑二维线性Sobolev方程的一阶广义差分格式，建立 Ritz－Volterra投影模误差估计和的模超收敛估计，从而得到的最优模误差估计。

This paper gives weighted least squares estimate and the method to choose optimum weighted function for linear regression model.

给出了线性回归模型中的加权最小二乘估计以及最优权数的选择。

Assuming an average daily rice consumption of 200 grams--a lowball estimate in Asia--the researchers calculate that arsenic levels would have to be as low as 50 μg per kilogram to remain below the WHO limit for water.

在亚洲，若保守估计为平均每天消费大米200克，研究人员估计稻谷中砷的含量必需低至每千克50微克仍然低于世卫组织所规定水中砷的含量。

When we estimate the arrival time, we must make an allowance for rush-hour traffic.

在我们估算到达时间时，必须考虑到高峰时段的交通堵塞情况。

The multiplier for the estimate of man-hour costs to take care of overheads and fringe benefits.

工时成本估计的乘数及以满足福利费和经营管理费的需要。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。