查询词典 triangular number

Non-ferrous metals; square; flat type; elliptic; triangular Wire etc.; aluminum package belt; zipper aluminum; ham aluminum; large pieces of cast aluminum; bronze pieces; other unclassified; other metal processing

青岛正启金属制品有限公司坐落于美丽的海滨城市--青岛，这里景色优美，气候宜人，优越的地理位置和便利的交通为公司的发展提供了良好的外部条件。

We give a theorem for the stable range of endomorphism rings of finitely generated projective modules over a formal triangular matrix ring T when T is an exchange ring.

2.6节对有有限exchange性质的形式三角矩阵环T给出了有限生成投射T-模的自同态环有稳定度n的一个具体关系。

The specific name is from the Latin triangulus, refering to the median sclerite of the epigynum triangular in shape.

新种的种名来源于拉丁语triangulus，指其外雌器的中板呈三角形。

According to axisymmetric unsteady heat conduction equation of orthogonal aniso tropic material and boundary conditions,the equilibrium equation of a system of finite elements is deduced with triangular element of high accuracy,and programs are designed.

根据均匀正交各向异性材料轴对称热传导方程及其边界条件，利用变分法及欧拉理论，选取 6 节点的高精度三角形单元类型，推导了一般轴对称非定常热传导有限元基本方程。并编制了相应的计算程序。

Scythians accompanied the Assyrian Esarhaddon on his invasion of Egypt, and their distinctive triangular arrowheads have been found as far south as Aswan.

斯基台人伴随着亚述人埃萨尔哈敦入侵埃及，他们与众不同的三角形箭头甚至远至阿斯旺也找得到。

For this method, integeral was proceed by triangular Gaussian quadrature method in polygon domain, which can reduce computational time greatly. Neighbor nodes database was create which can reduce neighbor nodes searching time. Rock and soil cutting problem are two complicated problems, so a robust method is needed to treat essential boundary condition.

岩土掘削数值分析要求无网格法拥有高效而适应性强(来源：ABC论文f1网www.abclunwen.com)的本质边界条件处理方法，本文提出一种新的处理方法，该方法通过改变边界节点权函数使试函数通过边界节点，并采用对角元素改1法满足本质边界条件，该方法灵活性强，适用于各种岩土掘削问题。

In this paper, a new one dimentional microstrip PBG filter with triangular variation of the characteristic impendence without etching in the ground plane is reported.

本文给出了一种新的一维微带光子带隙滤波器结构，该滤波器的阻抗按照三角规律变化，克服了通常微带光子带隙滤波器需要在衬底上打洞或接地面腐蚀获得周期结构的缺点。

A Focus+Context technique based on circle packing is presented for interactive visualization of large hierarchical data. First, a triangular mesh generating method based on externally tangent circles packing is proposed to establish context.

综述了海量层次信息可视化与Focus+Context技术的相关工作，针对海量层次信息可视化的交互问题，在嵌套圆可视化技术的基础上提出了基于上下文感知的Focus+Context交互式可视化技术。

I had read a such stories: Favour post triangular bream exuviate writes mail condyle to cast Lue shows Song Ji willful? he it

我读过这样一个故事：有一个小和尚从树林里采了许多香菇，他把它

Pyramid: Ancient monumental structure constructed of or faced with stone or brick and having a rectangular base and four sloping triangular sides meeting at an apex.

金字塔：用砖、石材料建造或表面覆以砖、石的古代纪念性建筑物，地基为矩形，四面为倾斜的三角形在顶端交会。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。