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The stability criteria on the hydrostatics theories are used to estimate whether aship in the heavy seas capsize or not,this method ignores the time domaincharacteristics, frequency characteristics and the randomicity of ship motions. Thecapsizing accidents occur now and then although ships are designed according tostability criterion. So, it is also the important problem for human beings to investigatethe nonlinear characteristics of ship motions and evaluate the survival ability of ships.

目前的稳性标准是根据流体静力学理论来评判船舶在风浪中的安全行为，这种方法忽略了船舶运动的时域特性、频域特性及随机性，按照目前稳性规范设计的船舶仍然时有倾覆发生，因此研究船舶的非线性运动特性和评估船舶航行的生存能力，仍然是人类面临的重大课题。

Based on the measurements of eye blinking frequency, we put forward other two assistant criteria that may help for us to estimate hygienical quality rank of plywood. They are

引进和初步建立了"眨眼频率实验"的实验和测量方法，并提出了两项"判断受试样品为阳性的辅助评价基准"

This gives an estimate of the instantaneous impedance for any spectral frequency at any time.

这给出了一个估计的瞬时阻抗的任何光谱的频率在任何时间。

Scientists estimate that in the 1960s people slept for more than eight hours.

科学家估计在1960世纪的人们睡觉超过八小时。

For stratified and cluster sampling with inappreciable differences, estimate precision becomes poor.

对于分层抽样和整群抽样，当群体间的差异、群内个体间差异均不显著时，其估计精度往往都很差。

Is this paper, a new estimate index of network reliability is introduced and an incidence matrix is used to depict the connectivity of the network nodes in a dynamic network model. A determinant arithmetic of the network connectivity and a calculate method are presented to achieve reliavility evaluation for Ad hoc network.

该文通过构建随时间变化的表征网络节点连通性状态的关联矩阵，在节点故障和移动性变化的情况下，对自组网网络可靠性进行了研究，提供了一种自组网可靠性定量评价方法。

In the empirical section of my thesis, a parallel data set of 50 countries for the period 1986-2001 is used to estimate a series of Logit models, with a binary exchange-rate regimes index as the dependent variable.

进而本文利用50个中等收入国家从1986到2001年的面板数据，以二元离散的汇率制度分类指标为因变量，对一系列的Logit模型进行估计，所得到的结果支持本文的理论假设。

To attend pre-issuance site visits for all the job orders in order to determine the existing conditions, develop client needs in detail, and estimate an initial approximation of different types of material used, and the costs involved.

参加预发行现场参观，所有的订单，以确定现有条件下，开发客户需求的细节，估计初步逼近不同类型的材料，而涉及的费用。

In reservoir engineering,the Kiny factor of core perme-ability can be used to evaluate a reservoir heterogeneity;the development data for individual layers in layer series of de-velopment can be used to estimate the production status of layers;while profile-testing data can be applied to analyze water injectivity and fluid production.

在油藏工程中可利用岩心渗透率的基尼系数评价储集层的非均质性，利用开发层系中各小层开发数据评价小层产出状况，利用剖面测试数据分析吸水和产液状况。

For convex domains of strict finite type, we use the pseudodistant constructed by McNeal to estimate the kernel of integral representation formula of d-bar.

对于一般的严格有限型凸域，我们使用McNeal构造的拟距离来估计d-bar方程解的积分表示公式中的核。

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。