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The matrix composites for diamond tools were tested with such modern testing instruments and equipments as DTA-7 differential thermal analyzer, JCXA-733 electronic probe and scanning electron microscope, JEM 2000 FX Ⅱ transmission electron microscope, eXL energy spectrometer, and humidity test instrument. The analysis, comparison, and induction of the testing results prove the enhancing effects of the rare earth on the matrix composites: degeneration, micro-alloying, purification, and catalytic activation. The comprehensive function of these effects leads to the decrease in the porosity of the matrix composites and to the increase in such actual indexes as the flexural strength, hardness, and impact ductility of the whole rare earth Fe-based diamond tool materials.

由DTA-7型差热分析仪、JCXA-733型电子探针及扫描电镜、JEM2000FXⅡ型透射电镜、eXL能谱仪以及莱茨2AP高温显微镜材料润湿性测试仪等现代测试仪器设备对金刚石工具材料进行了测试实验，对测试实验的结果进行了分析、比较和归纳，证实了稀土对胎体材料具有变性、微合金化、纯化和催化活化等四大强化作用机理，这些机理的综合作用导致了胎体材料孔隙率的降低和整个稀土Fe基金刚石工具材料抗弯强度、硬度及冲击韧性等实际使用性能的上升。

The mathematical thought reflected in these researches were, actually, different from modern Game theory, but, still, it showed the possibility of dealing with Game problems with mathematic tools, and meanwhile, the thought of differential game theory in the early time was included in these researches, which in a way inspired the establishment of Game theory.

在这些研究中所包含的数学思想与现代博弈理论的思想基本上是不一样的，但电反应出了用数学工具处理博弈问题的可能性，同时也包含了早期微分博弈的思想，对以后的微分博弈理论的创立有一定的启发作用。

Based on theanalysis of topology structure of parallel mechanisms and using differential topology anddifferential manifolds as mathematical tools, we propose a new classification method. Thismethod classifies singularities of parallel mechanisms into two basic types, i.e. topologysingularity and parameterization singularity. This kind of classification has clear physical andmathematical meaning and fully reveals the characteristic of configuration space of parallelmechanisms.

采用微分拓扑和微分流形等现代数学工具，在对并联机构位形空间的拓扑结构进行分析的基础上，提出了一种新的奇异位形的分类方法，即把奇异位形分为拓扑奇异位形、参数化奇异位形两种类型，这种分类方法充分体现了并联机构位形空间的特点，具有十分明确的物理和数学意义。

At today's business velocity,"internet speed" tools are a market differentiator.

在今天的业务速度、"因特网速度"微分市场工具。

English Description In this course, the VLSI design and fabrication process will be introduced. The students will learn about the characteristics of transistors, digit circuit design methodologies, and system architectures for VLSI. EDA tools will be used in this course to assist in designing the circuit and performing simulations.

Chinese Description 本课程将介绍何谓超大型积体电路及其制程与电晶体基本特性，以及数位电路设计之方法和超大型积体电路系统结构，并使用EDA工具协助电路设计、布局及模拟。

Logic analyzers are very expensive tools that allow you to monitor and diagnose digital signals.

逻辑分析仪是允许你监测和诊断数字信号的非常昂贵的工具。

The simulation method and results have supplied effective tools for supply system of dimethyl ether engine.

本文的仿真方法和仿真结果对柴油机燃用二甲醚的供给系统的研究和开发提供了一个有效的工具。

Best of all, the 4100 is compatible with various popular directional tools that feature QDT system.

最棒的是， 4100兼容各种流行的定向工具的特点qdt制度。

Optionally, you can add the path to the SDK tools directory to your path.

特别的，你可以把 SDK工具的目录路径添加到你的路径中。

Optionally, you may want to add the location of the SDK's primary tools directory to your system PATH.

选择性地，你可能想要加入的位置的主要工具目录已经存在你的系统的路径。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了