查询词典 extremal element

In 1898, Marie found a new element in the pitchblende.

居里，一位著名的科学家，就是一个很好的例子。1898年，玛丽在沥青铀矿中发现了一种新元素。

Marie Curie, a famous scientist, has set a good example. In 1898, Marie found a new element in the pitchblende.

玛丽。居里，一位著名的科学家，就是一个很好的例子。1898年，玛丽在沥青铀矿中发现了一种新元素。

In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that ''.'pitchblende'.

实际上这种假设中的元素的浓度要小得多，我们花了几年时间才明确无误地证明沥青铀矿物质中至少含有一种高放射性物质，在化学意义上这就是一种新元素。

String m_pivot;// This is the pivot element we

字符串m_pivot；//这是我们的枢轴元素

Aim To study the numerical solving process for the large sparse matrix linear equations. Methods To realize the above aim, program developing language C++, cross list data storage structure, the special method of pivoting and elimination of pivot element were adopted.

大型稀疏矩阵线性化方程组的数值求解问题，广泛存在于工程实践尤其是计算机仿真领域，如水力管网计算 [1] 、电力系统的大型导纳矩阵计算、高阶偏微分方程的数值求解[2 ] 以及铸件充型过程与凝固过程的数值模拟等。

Domestic and international large-scale enterprise group, general headquarters, regional general headquarters, research and development centre, marketing centre, gather to above-mentioned in the center that metropolis enclose constantly of trans-corporation, Accelerate coastal cities paces of internationalization , become various kinds of resource, key element in two market pivot that butt joint blend.

国内外大型企业集团，跨国公司的总部、地区总部、研发中心与营销中心、将不断向上述大都市圈的中心汇集，加快沿海城市国际化的步伐，成为各种资源、要素在两个市场对接交融的枢纽。

The finite element models of two types of machine guns are set up, mainly based on the 3-dimensional beam elements, partly based on boundary elements. Modal experiment plan of the machine guns is designed and their modal analysis experiments are done. The inherent properties of structural vibration and dynamic response properties for type-02 14.5 mm anti-aircraft machine gun and type-89 12.7mm machine guns are completely realized through the method combining theory and experiment, and many valuable conclusions are obtained.

建立了以三维梁单元为主，边界元为辅的高射机枪和重机枪有限元模型，设计了模态试验方案并进行了两支枪的试验模态分析，采用理论与实验相结合的分析方法，全面揭示了 02 式 14.5mm 单管高射机枪和 89 式 12.7mm 重机枪的结构振动固有特性和动力响应特性，获得了许多有价值的结论。

Additionally, the main fabrication process of the designed rotationally symmetric diffractive optical element on planar Germanium substrate by single point diamond turning utilizing NANOFORM 250 lathe is described.

最后给出了用美国OPTIKOS 公司的传递函数仪测出的系统在不同温度下测试结果。

For three different detected surfaces—concave, plane and convexity, the relevant finite element models of three-dimensional eddy current field problem have been built. The surface shape, curvature radius and lift-off variation effects on coil's reflected impedance have been analyzed.

针对3类检测表面，建立对应的三维涡流场问题的有限元模型，计算分析了检测表面形状、曲率半径大小以及提离变化对线圈反射阻抗的影响。

In this paper, we report the calculation of single line-image and double lineimage for various configuration of diffractive optical element, which were designed as one- dimensional plane configuration of bar- shaped pure- phase from the principle of the optical equal- path compensation.

报道以一维平面阶梯条形纯位相结构，用等光程补偿的物理概念出发，计算了单线与双线象的衍射光学元件的多种构形，获得了与理想衍射线象符合的光强分布；同时发现双线象时会出现噪音光强小峰，这在精确成象时仍是要设法避免的。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。