近似度

The relation between the chlorinity and porosity may be approximated by a hyperbola.

含氯量和孔隙度之间的关系图式也许近似于一条双曲线。

In the paper, a modified Similarity Measure Function, called Dsim, is proposed in order to solve the problem of non-contrasting behavior high dimensional space, and then a learning algorithm, called DCFCM, is advanced through the combination of Dsim and Approximated K-median and applied in intrusion detection which solves the problem of sharp border effecting problems and realizes the detection of abnormal incurrence.

本文将首先提出新的相似度函数Dsim，有效地解决了高维空间聚类选维和降维问题，实现了高效的聚类了；接着将Dsim与近似K-medians算法相结合，提出了新的模糊聚类算法----DCFCM，并将其用于入侵检测。解决了由尖锐边界、孤立点所带来的误报警和漏报警问题，实现了对异常行为的检测。

An inhomogeneous Benjamin-Davis-Ono-Burgers equation including topographic forcing and turbulent dissipation is derived in terms of the quasi-geostrophic vorticity equation, an approximate analytic solution of the BDO-Burgers equation with a small dissipation is obtained, the time variations of mass and energy of the algebraic solitary waves are discussed, and finally, the forced BDO-Burgers equation is integrated numerically and the numerical solutions are given for a given basic flow with a weak shear and a localized topographic forcing.

利用包括地形外源和湍流耗散的准地转涡度方程导出了包含强迫项和湍流耗散项的非齐次强迫BDO-Burgers方程，求出了小耗散存在情况下BDO-Burgers方程的近似解析解，讨论了代数孤立波的质量和能量的守恒关系，最后，对给定的弱切变基本气流和局地地形强迫，数值积分强迫BDO-Burgers方程，求得了不同参数下的数值解。

Bootstrapping method is such a method that resolves ambiguity integer solution without searching. It is a approximate algorithm of LAMBDA method too.

Bootstrapping 方法是一种不必搜索的模糊度整数解的求解方法，是 LAMBDA 方法的一种近似算法。

It deserves to be mentioned that the Modulo Construction algorithm we proposed has a sufficiently large approximation ratio with a low time complexity.

值得一提的是，我们提出的同余构造算法在时间复杂度较低的情况下，具有很高的近似比。

The sensitivity of displacement with respect to design variables was compared to the approximate explicit form given by Mohr integration.

将响应面方法计算的位移对设计变量的敏度与莫尔积分方法的近似显式进行了对比。

Therefore, it is reasonable that the influence of pressure on the activity coefficients and the ratio of the molar volume change in the liquid can be neglected.

由此近似忽略压力对二元体系摩尔体积的变化率以及对各组元在固液两相的活度系数的影响。

A general Godunov finite difference schemes-WENO schemes which had fifth-order accuracy was used to make a numerical calculation for 2-dimensional axis symmetrical laser-supported plasma flow field under laser ablated solid target and laser ablated propulsion efficiency parameters(mechanical coupling coefficient etc.) was obtained by the simulation.The models of the calculation of ionization degree of plasma and the interaction between laser beam and plasma and the simplified eos of plasma were considered in the simulation.

采用针对高温气体电离度的一种近似计算方法，以及具有五阶精度的广义Godunov差分格式-加权本质无振荡格式WENO(weighted essentially non-oscillatory schemes)，给出了高温气体状态方程的简便描述，并考虑激光与等离子体的相互作用，模拟了强激光与固体靶相互作用时激光支持靶面等离子体流场的动态物理过程，并给出了不同参数条件下激光烧蚀固体靶的推进效应参数。

Post-Newton metric was got inside and outside a uniform uncompressed ideal fluid oblate ellipsoid at rigid rotation.

摘要在后牛顿近似下，得到由均匀不可压缩理想流体在刚体自转下形成的扁球体的内外度规。

The construction of IRA codes includes the optimization of degree distribution and the design of parity check matrix.

在AWGN信道下，对给定的噪声方差，采用高斯近似的方法优化度分布并得出优化结果。

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。