查询词典 backward compatibility

In order to reasonably depict four basic problems with friction, one Coulomb friction new form in first Kirchhoff stress is proposed to deal with finite deformation problems, other Coulomb friction form in incremental mode to elastoplastic flow theory; Hilbert function spaces concerning elastoplastical problems with friction are established, so it makes all operations and calculations in the treatise standardized within the scope of reasonably topologic structure; In view of functional extremum, the equivalence between generalized variational inequalities principles in elastoplasticity with friction and corresponding basic problems are testified by inducing Lagrangian multipliers, so it provides a rationally theoretical basis for numerical methods in elastoplasticity with friction; From the viewpoint of variational inequality, the theory of generalized variational inequalities in elasticity and elastoplasticity with frictional constraint is studied, and the uniqueness and existence of the solution of FEM is proofed under the proposed conditions of stress compatibility, and them FEM approximation and a discrete solution are discussed; Based on the principles of generalized variational inequalities in elastoplasticity with friction, direct generalized variational inequalities methods is pretended, which is a natural generalization and development of direct variational methods; Using generalized variational inequalities methods, some examples in metal forming including plane deformation, upset and extrusion are analyzed and the results prove that all the theories and methods in the paper are right, feasible, accurate and advanced.

主要内容有：为了合理地描述金属塑性成形中摩擦约束弹性、弹塑性基本问题，提出和研究了有限变形下以Kirchhoff第一应力表示的Coulomb摩擦定律形式和弹塑性流动理论下以增量形式表示的Coulomb摩擦定律表示形式；系统建立了摩擦约束弹塑性问题的Hilbert函数空间，使本文规范在一个具有合理的代数拓扑结构内进行一切操作和运算；利用Lagrange乘子，从泛函极值的角度系统地阐述和论证了一系列摩擦约束弹性、弹塑性广义变分不等原理与相应的实际问题之间的等价性，它为处理摩擦约束的弹塑性力学数值方法提供了合理的理论基础；从变分不等式的角度出发，阐述了对应于摩擦约束弹性、弹塑性问题的广义变分不等式理论，首次提出了在应力相容性条件下，它的有限元解具有存在唯一性，进而讨论了其有限元近似及离散解法；基于摩擦约束弹塑性广义变分不等式原理，首次提出了直接广义变分不等式方法，这一方法是直接变分法的合理推广和发展；利用直接广义变分不等式方法对金属压力加工中的平面变形问题、镦粗、挤压等塑性成形问题进行了分析计算，验证了该理论和数值算法的正确性、实用性、精确性和优越性。

The key to compatibility lies in homogeneity of design, and in agreeing on standardized conventions for inter-program communication.

在设计的同种中，和在决定方面的兼容性谎言的关键为在计画之间的沟通标准化大会了。

Facing a tier after being completed is to be able to not wipe out again, otherwise homogeneous space colour and lustre compatibility meeting by destroy.

面层完成后是不能再铲除的了，否则场地色泽的均匀一致性会受到破坏。

Through the Hooke＇s law and the compatibility equation, the governing equation of the plane problem was derived.

由胡克定律和形变协调方程得到平面问题的控制方程。

From the angle of the supply chain,relevant problems that enterprises take horizontal annex to gain competition advantage was analyzes,and its research object is the same quality product and technology compatibility enterprises.

以具有技术兼容的同质产品企业为研究对象，从供应链的角度，对这些企业采取横向兼并行为以获取竞争优势的有关问题进行分析研究。

Plus the Hydrosol failure in the staable, the innovativeink of good compatibility.

加上水溶胶黏合性能优异，可对油墨层产生良好的亲合性。

Want to undertake pledging measuring assuring, after be being taken e.g. him, want to undertake compatibility checks above all, want to have a test between each brand servers, if say to if be no good, undertake modification even, certificate of quality, be about immaturely to become mature so.

要进行质量保证，比如说他拿来之后，首先要进行兼容性测试，在各个品牌服务器当中要进行实验，如果说不行的话还要进行修改、质量认证，原来不成熟的就要变成熟。

These modes provide different levels of immediacy, reliability and compatibility with traditional fax devices.

这两种模式提供不同档次的及时性、可靠性和与传统传真装置的兼容性。

Solvent Compatibility: Miscible with ethanol, and terpenes, Immiscible with water.

溶解性：与乙醇和萜相混溶，不溶于水。

Finally, by studying on using saw blades with different matrices cutting different stones, a basic compatibility rule about matrices and stones was concluded, say, when cutting a hard, high quartz and high alkalifeldspar content and strong bonded stone, a high impact strength and low wear-resistance matrix should be chosen; otherwise, when cutting a soft, low quartz or no quartz content and weak bonded stone, a high bending strength, low impact strength and high wear-resistance matrix should be chosen.

最后，通过对不同性能结合剂的锯片切割不同石材的切削寿命和磨损状态分析，得出了锯片结合剂性能与岩石性质之间的一般性匹配原则：即对于坚硬的、高石英含量的花岗岩，宜选用高强度、高冲击韧性、低耐磨性和对金刚石具有良好粘结性能的结合剂；对于低硬度、无石英或低石英含量的易切削花岗岩，宜选用高强度、高耐磨性和低冲击韧性的结合剂。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。