三角形
- 与 三角形 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In addition, dividing original image into isosceles right triangles segmentation could reduce the number of domain blocks, and raise the efficiency of fractal coding.
对原始图像采用等腰直角三角形的划分方式,减少了定义域块的数量和搜索匹配块的运算次数,提高了编码效率。
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Points on the plane such that OAP , OBQ and OCR are all isosceles triangles with
上的三点,使得OAP 、OBQ 和OCR 均为等腰三角形
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Based upon the general equations of a trans-versely isotropic foundation, the stress functions and the theory of Fourier transforms , the basie displacement so-lutions for a transversely isotropic body under horizontal concentrated loads are obtained.
根据横观各向同性体的基本方程,运用应力函数、傅氏变换和傅氏逆变换理论,得出了横观各向同性地基在水平集中荷载作用下的基本位移解,然后利用积分的方法分别得出了横观各向同性地基在条形面积上水平均布荷载、水平三角形分布荷载及水平梯形分布荷载的位移计算公式,并利用实测的一组弹性参数,将横观各向同性地基中的相对位移与现有的计算理论给出的各向同性地基中的相对位移通过图形作了分析比较,得出了一些有益的结论,以供岩土工程设计人员参考。
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To join or attach by means of a joggle .vertical tie post in a roof truss .
支持屋顶的三角形桁架中平行的直柱。
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The point of an anvil.A triangular metal bracket used to strengthen a joist.
角撑板一种三角形的金属托架,用来加固地板托梁
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A triangular metal bracket used to strengthen a joist .
角撑板一种三角形的金属托架,用来加固地板托梁
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Leaves 5, not fully expanded at anthesis; petiole 5.5--15 cm, with thick long pilose hairs; leaf blade nearly kidney-shaped, rounded-ovate, or 5-angled, 2.5--7 × 4.5--11 cm,± equally 3-foliolate, abaxially with white hairs, adaxially glabrous, base broadly cordate; lateral leaflets subsessile, unevenly 2-lobed; central leaflet subsessile or with a 1--4 mm petiolule, deeply 3-lobed, lobes entire or dissected, ultimate lobes triangular to narrowly linear and 2--3.5 mm wide.
叶5,不完全膨大的在花期;叶柄5.5-15厘米,具厚具长柔毛毛;叶片差不多肾形,圆形卵形,或具5个角, 2.5-7 * 4.5-11厘米,多少具3小叶,背面具白色的毛,正面无毛,基部宽心形;侧生小叶近无柄,不均匀2裂;中心的小叶近无柄或具一1-4毫米小叶柄,3深裂,裂片全缘的或多裂,末级的裂片三角形到狭线形和2-3.5毫米宽。
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Occurrence of the triangular shape decreased with the age. The frequency of irregular labrum and absence labrum increased with the age. The frequency of labrum high signal intensity increased with the age.
随年龄的增长,三角形髋臼唇出现频率逐渐降低,不规则形及缺如型髋臼唇出现频率逐渐增高,髋臼唇出现异常信号的频率逐渐增高。
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The main results are as follow:(1) Systematically discussed the methods that built up the DEM by the contour line, we put forward new algorithms of auto-adding characteristic points that eliminated the "plane triangle" in constructing TIN and approximating important characteristic points by Lagrange interpolation polynomial.
主要成果有:(1)系统地论述了基于等高线建立DEM的方法,提出新的消除TIN构造中出现"平三角形"的算法——自动增加特征点和利用拉格朗日插值多项式拟合重要地形特征点,并验证算法对TIN结构的优化。
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In this paper,we give the error expressions of piecewise linear Lagrange polynomial interpolation and piecewise cubic polynomial interpolation using the Taylor expansions.
中文摘要:本文利用Taylor展开得到三角形上线性Lagrange插值和三次Lagrange插值的导数余项公式,对这些余项公式进行分析,给出了两类能以四阶精度逼近被插函数在对称点的导数值的格式,一种是在均匀剖分时其分片线性插值的相邻单元的导数值的后处理格式,一种是在六片强正规剖分时的三次插值在对称点上的导数值的后处理格式,使得在已知原函数在各节点的值后,通过一个简单的线性计算就可得到原函数在对称点的导数的一个超逼近值,将以往提出的平均导数的二阶精度提高到四阶。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。