离散的

The main idea of the finite difference method is as follows: We consider the discrete difference equation with the finite alphas as approximate substitution for the differential equation with the continuous variant and boundary conditions.

有限差分方法的基本思想是用离散的，只含有有限个未知数的差分方程去近似代替连续变量的微分方程及边界条件，并把相应的差分方程解作为微分方程的近似解。

On the basis of the coincident relation between a radar signal and a radar ambiguity function, an arbitrary bounded two-dimensional function of intergrable square is presented as a necessary and sufficient condition for radar ambiguity function.

本文基于雷达信号和雷达模糊度函数间的一致关系，提出了任意平方可积的二维有界函数是雷达模糊度函数的充要条件，并且指出它包括了Wilcox提出的离散的可实现条件。

As to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. We derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin.

对于保费率为随机变量的一类风险模型，本文就离散的随机变量、连续的随机变量、一般的随机变量三个方面进行讨论，运用概率方法和风险理论的方法推导出破产概率、末离前最大盈余分布、破产前瞬时盈余与破产赤字的联合分布等精算量分布的一般公式。

Each pixel on multispectral and hyperspectral imagery can also be regarded as one vector and the whole image is a convex cone formed by a number of nonnegative discrete vectors,so endmember selection is equivalent to search for the vertices of a convex cone.

遥感图像中的每个像元都可以看作一个多维向量，整幅影像看作由离散的非负向量构成的凸锥，通过寻找凸锥的角点来自动获取图像的端元。

Modify the non-conformin8 nominal derivation of BCIZ element accordin8 tothe weak continuity conditiory obtained convergent element too.

考察弱连续条件下的有限元，结果它们具有相同的平均应变，其它收敛的有限元、如离散的克希霍夫板元、也具有这种平均应变。

Designed and realized Wien bridge oscillator continuous chaotic circuits in continuous chaotic systems.

本文从实际应用的需要出发，设计了一组连续混沌系统和离散的超混沌系统，并将主动—被动法和脉冲法用于这些系统的同步的研究。

Winfree proved that self-assembling tile systems in a plane are capable of doing universal computation, and when restricted to a line are exactly as powerful as discrete finite automa.

Winfree已经证明平面上的片装配系统能做通用的计算，而线性自装配模型的计算能力相当于离散的有限自动机。

The structure consists of discrete adamantylammonium cations lying on crystallographic mirror planes and hexa- fluoridogermanate anions disordered about sites of 2/m point symmetry.

它的结构中包含位于晶体学对称面上的离散的金刚烷胺阳离子，而无序的六氟锗酸盐阴离子位于2/m对称点。

The paper analyses several predicting methods for wave load acting on SWATH ship and compares the advantages and defects of quasi static method, rigid body dynamic method, hydro elasticity method and empirical formula method.

本文分析了小水线面双体船波浪载荷预报的几种方法，比较了准静态法、刚体动力学法、水弹性法、经验公式法的优缺点，讨论了结构有限元离散的注意事项，以及斜支柱结构形式对动载荷和疲劳的有利因素。

The washbasin design is unusually straight-lined and flat: gentle steps lend the ceramics a subtle modern look which is discretely underlined by the attractively designed ceramic outlet valve.

在洗脸盆设计是不同寻常的直排，平：温和的步骤借给陶瓷一个微妙的现代外观是离散的精美陶瓷出口阀门设计强调。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。