公关是基于反向计算，这是绝对的核心指数。
PR is computed based on backlinks, which are absolutely central to indexation.
针对反向计算的如上特点，我们对对流项和扩散项均采取了中心差分的处理方式。
Therefore, the central difference to deal with both the convectional and the diffusion term was adopted.
此外与顺时计算不同，扩散项在反向计算时更容易积累误差，从而使计算格式趋于不稳。
In addition, unlike that in the forward calculation, the diffusion term in the backward calculation is prone to accumulate errors, thus renders the whole scheme unstable.
随后他们反向计算出基于研究开始时每个妇女已知的10个遗传风险因子的数据的癌症发生率。
Then they retrospectively calculated a prediction of cancer risk based on each woman's data for the 10 genetic risk factors known at the outset of the study.
利用优化函数的梯度阵和海森矩阵建立函数的二阶近似表达式在已确定的优化结果反向计算结构参数。
To reversely calculate structural parameters by using second-order approximate expression of the gradient matrix and Hessian matrix for optimization function in identified optimization results.
这架飞机上的一个探测设备记录下它收到脉冲反向散射所需时间而且这个时间可用于计算到森林树冠层和到树冠层下土壤的距离，以此而计算出树干高度。
A sensor on the aircraft records the time it takes to receive the backscattering of pulses, and that is used to compute distances to the forest canopy and to the soil beneath.
他们采用现代天文学家的假设，假定宇宙是平坦的，计算出宇宙处于以下三种状态之一的可能性：平坦的，正向弯曲或反向弯曲。
Using modern astronomers' assumptions, which presuppose a flat universe, they calculated the probability that the universe was in one of three states: flat, positively curved or negatively curved.
页面抓取本质上是HTML页面的反向工程，也可以看成页面解释器，网页以HTML编码，HTML以树型结构表示信息，实际数据与布局代码以及效果信息混杂在一起，不能被计算机直接利用。
It can also be thought of as parsing out chunks of information from a page. Web pages are coded in HTML, which uses a tree-like structure to represent the information.
本文论述了计算晶闸管关断模型反向恢复电流参数的一种方法。
This paper describes a method for calculating reverse recovery current parameters of the thyristor turnoff model.
给出了由已知主管相贯线处直径确定分支管直径和椭圆周长或反向求解的计算公式，讨论了精度。
The formula to calculate the diameter of branch pipes and ellipse girth was given when the diameter of main pipe is known or reverse to resolve, discussed calculation accuracy.
计算的溅射产额和反向散射系数同实验结果进行了比较。
The results of the calculation have been compared with those of the experiment.
计算发现，参与反向抵押贷款能有效增加参与人可供支配的收入，提高退休后老人生活质量。
With the calculation, we find that the participation in reverse mortgages can increase disposable income effectively and improve the life quality of the elders after retirement.
提出了计算几何应用到时间序列挖掘的方法，实现了时间序列全序列匹配查询、模式查询、反向查询和异常检测，查询效率和准确性都有了比较大的提高。
By making use of the proximity query method in computational geometry, the whole matching query, pattern query, inverse query and outlier detection in time series are studied.
文摘：研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法，并实现了计算程序。
Abstract: the method of fast finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
大型松紧调节臂不断从进料加工过程中反向弯曲的材料速度与管张力通过计算机自动调整。
Large dancer arm keeps material from being reverse-bent during the feed process Speed and tube tension are auto-adjusted by computer.
建议了一个不受波速值限制的逐步近似法，并给出反向塑性加载边界传播速度的计算式。
A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.
给出了应用计算多刚体系统动力学建立的通用失重人体4关节反向运动学与反向动力学模型。
The 4 joints universal human body inverse kinematics model and inverse dynamics model in weightlessness utilizing computational multi-body dynamics were proposed.
通过对反向电流各种输运机制的分析，提出了一种计算反向电流密度的理论模型。
A theoretical model used in calculating the reverse current density is proposed by considering several current transport mechanisms.
本文采用正反向混合推理机制，深度优先的控制策略建立了一个基于知识的汽车传动系故障计算机辅助系统。
This paper has set up a computer aided diagnostic expert system for automotive drive line by way of forward and backward combined reasoning and depth optimal theory.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
建立了描述反向凝固结晶器中流动与传热的数学模型，并在此模型基础上进行了计算机模拟和仿真。
The mathematical model which describes the flow and heat transfer in inverse solidifying mold was established. Base on the model, a series of study with computerized simulation was taken.
根据实验与计算结果，还揭示了金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
It was revealed from the results of experiment and calculation that inverse heat flux of metal radiation is an unavoidable heat transfer char...
比较而言，学习矢量量化网络和概率神经网络在分类能力方面要比反向传播网络好一些，概率神经网络在计算负载方面比学习矢量量化网络要更胜一筹。
By comparison, LVQ network and PNN network are better than BPN network in classification ability, and PNN network is better than the others in computation load.
而根据此离散馀弦转换区块形式则在后续的反向离散馀弦转换运算中运用较少个数之离散馀弦转换系数来做计算。
A reduced number of DCT coefficients is computed in a subsequent inverse DCT computation based on the DCT block type.
计算机模拟和实物的对比实验表明，该方法能有效地提高反向条纹投影的精度。
Through comparison of experiments using computer stimulation and a real object respectively, a conclusion is gotten that this method can improve precision of inverse fringe projection effectively.
研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法，提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
The application of equivalent draw beads to sheet forming blank design is studied and the ideal of blank design using revering method combined with equivalent draw bead is conceived.
研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法 ，并实现了计算程序。
The residual stress around a coldworked hole is computed with elastoplastic finite element methods of both flow theory and deformation theory.
计算结果表明：在转臂上施加一定的反向弯矩，能有效减小弯管的壁厚减薄率。
It shows that pipe bending by using induction heating applied a counter torque can efficiently reduce the thinning ratio of pipe wall thickness.
计算结果表明：在转臂上施加一定的反向弯矩，能有效减小弯管的壁厚减薄率。
It shows that pipe bending by using induction heating applied a counter torque can efficiently reduce the thinning ratio of pipe wall thickness.
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