多向性

Based on the plasto-elastic bounding surface model, the dynamic characters of typical clay and silt were studied through several types of laboratory dynamic tests. The parameters of dynamic bounding surface model were given upon the tests. By using a nonlinear procedure for response analysis of horizontally layered sites subjected to multi-directional earthquake loading, the response of acceleration, pore pressure and dynamic stress in Shanghai area under different earthquakes were studied.

在弹塑性边界面模型的基础上，通过试验，研究了上海地区典型粘土和砂性土的动力特性，取得了针对边界面模型的计算参数，并采用多向地震作用下的水平地层弹塑性动力反应分析程序对以深厚软土覆盖地层为特点的上海地区典型的土层断面，以苏南核电站为主的地震输入进行了场地反应分析，在加速度特性、孔压特性和动应力特性等方面取得了相应的结果。

Also, by using exponential dichotomy, contraction map theorem and matrix theory, some sufficient conditions are obtained to ensure the existence and global exponential stability of almost periodic solution for MAM neural network with distributed delays.

利用矩阵的谱半径、指数二分法结合运用压缩映射原理获得了分布时滞多向联想记忆神经网络模型概周期解的存在性，并在相同条件下证明了概周期解的全局指数稳定性。

A sufficient condition is obtained to ensure the existence and uniqueness of almost periodic solution for MAM neural network with time-varying delays by way of exponential dichotomy and contraction map theorem. Moreover, the global exponential stability of the almost periodic solution for this type of MAM neural network is proved by using Halanay inequality.

利用指数二分法结合运用压缩映射原理获得了变时滞多向联想记忆神经网络模型概周期解的唯一存在性，利用Halanay不等式证明了变时滞多向联想记忆神经网络概周期解的全局指数稳定性。

In order to study the role of cellular interaction in hemopoiesis, syngeneic marrow nucleated cells and thymocytes suspensions obtained from the same mouse were transfused i.

小鼠胸腺细胞对多向性造血干细胞的分化也有明显的影响；本实验表明首先出现红系分化的增强，然后再出现粒系分化的增强。

Time is no longer continuous, linear and apodictic, and its contradiction, disjunction and multidirectionality enlarges the narrative capability, enriches the subjective art experiment, and make us think about the meaning of productions.

时间不再是连贯的、线性的和无可置疑的，它的矛盾、它的裂缝以及它的多向性扩展了叙事的容量，丰富了主体的艺术经验，引发了我们对作品意义的思考。

And the enantiotropic diversity of the economy and politics between Sino-America relationship and the compound multiplicity of the national relations were reveled. Thus provided the theoretic supports for setting the strategies for the development of Sino-America economy and trade.3. From the point of view of stratagem, policy and measure, studied the countermeasures of Sino-America economy and trade in the new century in the third part of this paper.

同时，比较系统地从冷战意识和社会制度差异、思想文化和意识形态差异、双方所处国际地位的不同及美国国内政治斗争等几个方面，分析了中美经贸障碍产生的复杂性，揭示了中美经贸关系中经济与政治互动的多向性和国家关系的复合多重性，为新世纪确立发展中美经贸关系的对策找到真正切入点提供理论支撑。

Chinese Research Study on Internet is a way of learning, supported by the Internet and multimedia technologies.It is also a multidirectional idea activity to improve creativity.

网络环境下的语文研究性学习是以网络技术、多媒体技术等信息技术为支撑的学习方式，它是以培养人的创造能力和创新意识为核心的多向性思维活动。

The changing tendency of books formation from the traditional unilaterality of information transfer to multidirectivity of design form is inquired into.

从我国不同时期书籍形态构成的演变中，探索由传统书籍形态信息传递的单向性向书籍形态设计构成多向性的变化趋势。

With regards to the learning motive of music, after excluding the pretest influence, it is the finding of the study that the students belonging to the experimentation group score higher in the areas of "Total score","Internal goal orientation","Work value","Controlled belief","Expectation to succeed" and "Test on anxiety" than the control group, amongst which "Work value" reaches significant difference on the measurement chart; of all the students scoring high on "Selective attention" during pretest, the experimentation group scores higher than the control group on posttest scores; regarding the students with lower pretest scores, the control group performs better than the experimentation group; of the students with higher pretest scores on "Discrete attention", the posttest scores of experimentation group are higher than those of the control group; regarding students with lower pretest scores, the control group performs better than the experimentation group; on "Sustained attention", the posttest scores of the experimentation group are higher than those of the control group; on the "Total score" of multidimensional attention measurement, the posttest scores of the experimentation group are higher than those of the control group.

研究结果发现，在音乐学习动机方面，经排除前测影响后，实验组学生在「总分」及「内在目标导向」、「工作价值」、「控制信念」、「期望成功」、「测试焦虑」等分量表上皆高於对照组，其中在「工作价值」分量表上达到显著性差异；在「选择性注意力」前测分数较高学生中，后测成绩为实验组显著优於对照组，对前测分数较低学生而言，则是对照组显著优於实验组；在「分离性注意力」前测分数较高学生中，后测成绩为实验组显著优於对照组，对前测分数较低学生而言，则是对照组显著优於实验组；在「持续性注意力」方面，后测成绩为实验组显著优於对照组；在多向度注意力量表「总分」方面，后测成绩为实验组显著优於对照组。

In addition to the simple, two-ended, unidirectional links which are well-known from HTML, XLink allows more general links, which must not be embedded in the document, can have any number of ends, and can be multidirectional.

XLink在HTML中加入了简单链接、双向链接、单向链接特性，并提供多种类的并不要求嵌入文档中的链接，它具有多目标性和多向性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐