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In addition we establish a new moving coordinate system in the neighborhood of the wave front and obtain a revised eikonal equation describing the curvature effect of waves in the usual orthogonal coordinate system.

由此我们获得了二维和三维情形下靶型波的具体形式。对三维涡卷波和V-形波，我们也给出了它们的具体形式。在第四章，我们应用摄动方法，较简捷地获得了组织中心沿径向和轴向的运动规律。

The author began systematic study on Copland's"Practical Music"and drama music, and then completed the Master dissertation under the guidance of Professor Xu Yongsan. This at that time had been the first article in our country describing his creative technique in detail, especially his skill expressing complex modern artistry through simple technique.

笔者于1988年开始对科普兰部分"实用音乐"和戏剧音乐作品进行较为系统的研究，并在许勇三教授指导下完成了相关的硕士论文，这是当时国内第一篇较为详细地讨论科普兰作品的创作技法特征，特别是他如何用简洁朴素的手法表现复杂的现代作曲技巧的文章。

Describing the problem of two dimension fuzzy decision existed in the engineering, the concepts of core set and support set are proposed. Using feasible set to constitute corelation between two sets, determinant theorem is presented to judge if the decision can be realized according to the feasible degree.

描述了工程中存在的二维模糊决策问题，提出了决策的核心集和支撑集的概念，用可行集建立了两个集合间的关联，提出以决策的可行度作为决策能否实现的判定定理。

When the little sticks begin flying two hours after the "cotton-wool" fog has lifted (that time when to let go the bottom would have meant being "absolutely in the air--in space"), Conrad offers us not confused seeing, but a "freshness of sensory perception" that William Barrett in describing Hemingway's story "Big Two-Hearted River" has called the "morning of the world."

当小棍棒开始飞行两小时后，"棉花"雾取消了（当时放过底部将意味着被"绝对在空中-太空"），康拉德提供我们不要混淆看到，而是一个"新鲜的感官知觉"威廉巴雷特在描述海明威的故事，"大双心河"，已被称为"世界的清晨"。

Based on detailed mathematical model of the heat and mass transfer processes in packed-type counterflow liquid desiccant systems, a set of linear ordinary differential equations describing the transfer processes is obtained by some appropriate simplications.

在建立逆流填料式液体除湿系统传热传质过程的数学模型基础上，通过合理的简化处理，导出了描述这一热质传递过程的常微分方程组，得到了相应的解析解；并与精确数学模型的数值解进行了对比，二者具有良好的吻合性；利用解析解分析了各参数对除湿性能的影响；所得解析解具有较好的理论及应用价

Based on detailed mathematical model of the heat and mass transfer processes in packed type counterflow liquid desiccant systems,a set of linear ordinary differential equations describing the tramsfer processes is obtained by some appropriate simplications.

通过对逆流填料式液体除湿系统传热传质过程数学模型的合理简化，推导出描述这一热质传递过程的常微分方程组的分析解，并与未简化数学模型的数值解作对比，二者具有良好的吻合性。

Attaching good metaphors to information you are learning is a creative act, just as it would be if you were describing a story.

把好的隐喻同要记忆的信息相联系起来，是一种具有创造性的行为，就像你在讲述一个故事一样。

Due to MIF's advantages over cross correlation function on describing correlativity of signal series, the new algorithm can overcome the shortage of traditional algorithms, and has a low complexity of computation.

论文的主要工作和创新点如下： 1对广义互相关和基于高阶累积量两种常用的平稳信号TDOA估计的算法性能作了详细仿真，对算法的适用范围、计算复杂度和抗加性噪声干扰等方面进行了分析。

And the cross correlation function is approximately zero, which makes them suppress the disturbances due to the other users. After describing some basic knowledge of chaotic theory in chapter 2, we interview and classify the applications of chaos in communications including chaos secure communication, chaotic spreading codes for multi-user access in spreading spectrum system and chaotic modulation and demodulation in chapter 3. FM-DCSK system with non-coherent demodulation offers the best performance in chaotic modulation schemes.

在混沌调制方案中， FM-DCSK调制是一种极具竞争力的混沌调制方式，它克服了CSK、COOK、DCSK解调中存在的估计问题的缺点，在无线信道的传输过程中，可以很好的抑制噪声干扰与多径衰落，并且能获得非常优越的解调性能，加上混沌信号本身优越的保密性能，该调制方式在未来的无线通信领域存在着巨大的潜在优势。

On this trip, my dad, as a sociologist, briefly explained the "cause and effect" of China's society situation to me. A sociological term for describing this whole situation is the "cultural lag".

这趟旅行中，我老爸以社会学的角度向我大致解释了中国大陆整个社会状况的前因后果，以一个社会学专有名词总括之就是"文化失调"。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。