查询词典 triangular decomposition

Use Gaussian elimination method to change 'A' into upper triangular matrix.

用高斯消去法改变'甲'到上三角矩阵。

Leaves regularly alternate; stipules ovate to triangular, undivided, without glands; petiole much shorter than blade, without glands; leaf blade oblong to elliptic to ovate, abaxial surface paler than adaxial one but not whitish and not papillate, with 0-10 strictly marginal glands on each side, basal glands slightly larger but very similar, adaxial surface eglandular, base obtuse to slightly attenuate, margin serrate with teeth 3-5 mm apart, apex acute to acuminate.

叶规则地互生；托叶卵形到三角形，没有分开，没有腺；叶柄远短于叶片，没有腺体；叶片长圆形到椭圆形到卵形，背面比正面浅，但不带白色且不具乳突，在每边上各具正好0-10 枚腺体，基部腺体稍微有点大但是非常相似，正面无腺体，基部钝以稍渐狭，边缘有具3-5毫米裂片牙齿的锯齿，先端锐尖到渐尖。

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。

In real option pricing, it is impractical to assume the present value of expected cash flow payoff as an exact number because it is a forecast one. Generally, the number is regarded as a triangular or trapezoidal fuzzy number to give its estimated interval values and the Black-Scholes (abbreviated as B-S) formula is used to price the real option.

针对实物期权定价中预期现金流收益的现值是个预测值，而采用精确值给出不太合理的问题，分析了三角模糊数或梯形模糊数给出它的区间估计值，并利用Black-Scholes公式为之定价的方法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。