体问题

• In the research of the n - body problem , central configuration is an important content from it , we can obtain periodic solution ; it has close connection with collision or escaping
  在n -体问题研究中，中心构型是研究它的一个重要内容。由中心构型可以产生周期解，中心构型也与天体同时碰撞或逃逸紧密相关。
• The article takes a peek into the tense issue in this special kind of sentence in the aspect of semantic relationship , and suggests two subtypes of the structure , each presenting different features
  摘要在汉语兼语句内部语义关系分析的基础上对该类特殊句式的时体问题进行探讨，认为兼语句在语义上可分为两大类，各类在使用的时体形式上体现各不相同的特点。
• A variational difference method for obtaining the periodic solutions of n - body type hamiltonian systems with singular potential was provided . by this difference scheme , infinitely many periodic solutions can be found
  摘要给出一种求解具有奇异势能n体问题周期解的新差分格式，利用这种差分格式可以得到无穷多个周期解，并通过一个具体算例说明了方法的有效性。
• It can be solved by the modern canonical mathematic tools , for example , adjoint symplectic orthonormality and the expansion theorem etc . the problem of viscoelastic cylinders can be solved by using the analytical and semi - analytical method
  借助于现代辛数学等工具，如辛正交关系和展开原理等对问题进行求解。采用解析、半解析方法等来解决粘弹性柱体问题。
• Through the development for many years , a lot of project practices has already proved that it is an indispensable method to study the complicated material mechanics performance , which shows its superiority in studying non - continuous body question
  经过多年的发展， dem法已经被许多工程实践证明是研究复杂材料力学性能的不可缺少的方法，显示出它在研究非连续体问题的优越性。
• Transport of suspended matter ( sm ) on east china sea ( ecs ) continental shelf is very important for the development of continental physiognomy and its environment et al . the study of sm on ecs shelf is presently recognized as a front study in marine geology
  东海陆架悬浮体的输送关系到陆架地质地貌的发育和演化、陆架生态环境和陆架边缘物质交换等方面。东海陆架悬浮体问题一直是学者们所关注的问题之一。
• Based on the zero eigenvalue solutions and non - zero eigenvalue solutions of the problem of viscoelastic cylinders , as particular example , kelvin model ' s creep and maxwell model ' s stress relaxation are studied for the simple extension . the numerical results show that the model is reasonable , which is in agreement with viscoelastic characteristics
  在得到粘弹性柱体问题的零本征值和非零本征值解析解的基础上，作为特例讨论了粘弹性柱体单向拉伸问题的kelvin模型的蠕变现象以及maxwell模型的应力松弛现象。
• Giving out the principles of constructing the system of the china ' s library profession qualification certifications in the way of transforming the library employment mechanism : constructing in accordance with the law , equal competition intensify the encouragement , admitting the differences , characteristic application , international comparing principles , and assuming of the system about our county ' s library certifications according to that
  摘要从转换图书馆用人机制的角度论述建立与完善图书馆职业资格证书制度的原则：依法构建、平等竞争、强化激动、承认差别、特色应用、国际可比原则，并就建立和完善我国图书馆职业资格证书制度的几个其体问题进行了明确阐述。