查询词典 explicit difference schemes

Thirdly,incorporated into A-stability theory of recursion schemes,the A-stability ofthe precise integration schemes with high(＞2)order precision is proved, not only implicitintegral schemes,but also explicit integral schemes.

通过讨论递推格式的A稳定性，证明了精细积分格式不仅具有A稳定的隐式积分格式，而且具有A稳定的显式积分格式，且其阶数都存在超过2的形式。

To further investigate the influence of the Internet on the students, a further research is conducted by breaking the students into three groups -frequent Internet users, occasional Internet users and non-internet users. The result indicates that the self-harmony of frequent Internet users shows a sharp difference in terms of school and grade, the self and the unharmony of show a sharp difference in terms of school, grade and sex, and that the self-esteem and the two dimension - the flexibility and rigidity of self-harmony show no difference in terms of school, age and sex; the self-harmony and all dimensions of occasional Internet users show no significant difference, the self-esteem of occasional Internet users show no significant difference in terms of school and grade but show significant difference in terms of sex; the self-harmony and all dimensions of the non-Internet users show no significant difference, the self-esteem of the non-Internet users show no significant difference in terms of grade and sex, and the self-esteem of the non-Internet users show significant difference in terms of school.

为了进一步研究网络对学生的影响，又将学生分为经常上网、偶尔上网、不上网三类分别来研究：经常上网学生自我和谐在学校、年级都存在极显著差异，自我与经验的不和谐在学校、年级、性别存在极显著差异，自尊和自我和谐的灵活性和刻板性两个维度在学校、年龄、性别都没有差异；偶尔上网学生，自我和谐及各维度都不存在显著性差异，自尊在学校和年级不存在显著性差异，在性别上有显著性差异；不上网学生自我和谐及各维度都不存在显著性差异，自尊在年级和性别不存在显著性差异，自尊在学校上有显著性差异。

Finally, quota schemes have the highest likelihood of evincing positive incentive effects, followed by piece-rate schemes, tournament schemes, and fixed-rate schemes.

最后，配额计划有正面的激励效应evincing最高的可能性，以计件工资计划，比赛计划后，和固定利率计划。

Furthermore, we constructed group explicit method, alternating group explicit method and alternating section explicit-implicit method. The last two methods are unconditionally stable. The numerical results show that our methods have good accuracy.

分析表明，通过格式在不同时间层的交替，如分组显式方法、交替分组显式方法、交替分段显-隐方法，后两种方法是绝对稳定的，而且数值试验表明计算精度较好。

There are explicit and implicit schemes in FDM . explicit scheme are easy to compute and make programmes, but it has a problem of conditional stability and the exactness is not high .

有限差分方法主要有，显式格式和隐式格式(Crank-Nicolson格式)，其中显式格式虽然计算简单，便于编程，但有稳定性限制，并且精度也比较低，不便于适用。

Implicit schemes are hard to parallelize, while explicit schemes are easy to implement on parallel computer in spite of its strict stability constraints.

隐式格式难以直接在并行机上实施，显式差分格式尽管易于在并行机上实施，但它的稳定性条件苛刻。

Chaper 3 is general description of ADA encryption. Chapter 4 deals with the transform domain encryption. Includes the element of perfect and quasi-perfect transform domain encryption, and presents two type new schemes. Chapter 5 deals with asynchronous ADA encryption. Extends the general theory and model of asynchronous ADA scrambling, and introduces two type phase-distortion-free a synchronous ADA schemes. Chapter 6 is about new direction of ADA encryption. Includes TASI scrambling, transform domain dummy insertion scrambling, noise coving scrambling and other multi-dimension ADA scrambling, and proposes an adaptive dummy spectrum insertion asynchronous scrambling and a new adaptive noise-coving DFT scrambling algorithm. Chapter 7 is on permutation key. presents part results on permutation features, selecting criterion and constructing method. Chapter 8 introduces the hard and software design of a common ADA encryption/decryption system, and presents the experimental results on several proposed ADA encryption schemes.

第一章为绪论；第二章为语声信号、及其处理基础；第三章为模数模加密的一般描述；第四章为变换域加密研究，包括变换域加密机理，变换域完善与准完善保密研究，提出两种新的变换域加密方案；第五章为异步模数模加密研究，扩充了异步模数模加密的一般理论，介绍了两种新的无相位失真异步加密方案的原理与实现方法；第六章对模数模加密新方向：TASI应用途径、变换域伪谱插空置乱、噪声掩盖、多维置乱加密的原理和方法进行介绍，提出了自适应伪频插空异步模数模置乱算法与自适应DFT系数噪声掩盖置乱新算法；第七章为置换密钥性质、筛选准则以及构造方法研究的部分结果；第八章介绍了通用模数模加/解密实验系统的硬件、软件研制概况，并给出了几种加密方法的实验结果。

In view of the dialectic relation between certainty and uncertainty, the schemed index set and ideal index set were taken as a set pair to define the connectivity distance of generalized weight between all other schemes and the positive scheme as well as the distance between all other schemes and the negative schemes.

从确定性与不确定性辨证关系出发，将方案指标集与指标理想集作为集对，给出了各方案与正理想方案的广义权联系度距离定义、各方案与负理想方案的广义权联系度距离定义，讨论了现阶段集对分析在多属性决策中的应用情况，指出了其存在的不足，提出了基于广义权联系度距离的多属性决策模型，并将其应用于矿山设备优选中。

This paper simulates three jobbing sheet construction schemes of air duct structure in a certain subway station project by using the strong pre-and post-processing functions of FLAC~(3D), and separately calculates the sedimentation value of ground after construction by the three schemes through analog calculation, in order to evaluate the quality of the three jobbing sheet construction schemes.

利用FLAC3D强大的前后处理功能来模拟某地铁车站工程风道结构的三种中板施工方案，并通过模拟计算，分别计算出三种中板方案施工后地表的沉降值，以此来评选三种中板施工方案的优劣。

Introduced the mathematics theories foundation of the symplectic schemes, include the commonly established methods for construction symplectic schemes, which are symplectic Runge- Kutta method, symplectic propagation techniques and generating function method. A minimization of the truncation error-function and optimal Courant-Friedrichs-Levy number schemes are well established using sympletic propagation techniques.

介绍了辛算法的数学理论基础，包括辛算法常见的构造方法：辛Runge-Kutta法，辛传播子技术及生成函数法，利用辛传播子技术结合误差最小化及稳定性Courant-Fredrichs-Lewy条件数最大化的两种优化方案，构造了新的传播子系数；(2)。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样