this paper presents algorithms for automatic establishment of the topology of convex polygon and right-angled polygon respectively by using the house characteristic points extracted through image matching based on the analysis of polygon topology.

1、

a new decomposition algorithm of simple polygon based on determination of right-angled vertices and convex-concave vertices is presented by fully mining vertical and lined relationship of polygon itself in autocad.

在充分挖掘AutoCAD图形中简单多边形自身隐含的垂直与共线关系的基础上，提出一种新的基于直角顶点判定和凹凸顶点判定的简单多边形剖分算法。

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2、

30 antiseptic adult cadavers ( male 18, female 12) were dissected on the four surface projected points of hearts measured with right-angled square.

对30具（男18，女12）已灌注防腐的正常成人尸体心的4个体表投影点进行解剖和用直脚规进行测量，统计出其平均数。

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3、

ladder-shaped friction clutch furthermore, triangles or trapeziums are divided into rectangles and right-angled triangles.

梯形摩擦离合器然后，把三角形或梯形切割成矩形和直角三角形；

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4、

the principle of pulse fine division in measurement of displacement by using grating scale ( so called grating line displacement transducer) with right-angled sinewave is discussed.

讨论了输出正交正弦波的光栅尺（又称光栅线位移传感器）在位移测量中的脉冲细分原理。

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5、

the improved mom-po technique is validated by comparison with exact solutions for a right-angled perfectly conducting wedge at normal incidence.

三种基函数模拟的结果和理想导体劈绕射的解析解进行了比较，证明目前所采用的基函数精度最高。

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6、

the right-angled trapezoid plate is made of pu materials and an eva material layer which is compounded on the slope surface.

所述的直角梯形板材是由PU材料和复合在斜坡面上的EVA材料层制成。

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7、

paradox on right-angled lever and laue's energy-current in moving stressed body

直角杠杆佯谬和受压动体的劳厄能流

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8、

line with a variable arrowhead that routes between the shapes it connects using an adjustable right-angled line.

使用可调直角线在所连形状之间绘制路线的带可变箭头的连接线。

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9、

effects on the right-angled error of the three-component flux gate magnetometer exploring head to the sense of orientation

三分量磁通门磁变仪探头正交误差对定向的影响

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10、

influence of right-angled prism tilt on azimuth laying accuracy

直角棱镜棱脊倾斜对方位瞄准的影响

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11、

the principle of pulse fine division in measurement of displacement by using grating scale with right-angled sinewave output

输出正交正弦波的光栅尺在位移测量中的脉冲细分原理

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12、

connector that automatically routes between the shapes it connects, using a right-angled line.

自动使用直角连线在所连形状之间绘制路线的连接线。

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13、

process research on preparation of aluminum alloy die-forging blank with right-angled bends on both sides

两侧带直角弯的铝合金模锻件坯料制备工艺研究

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14、

scattering of fixed circular inclusion in right-angled plane to steady incident planar shearing horizontal wave

二维直角平面内固定圆形夹杂对稳态入射反平面剪切波的散射

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15、

analyses on the right-angled triangles with sides of integral length

关于整数边直角三角形的探讨

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16、

a right-angled optical prism used to turn an inverted image upright.

用来垂直翻转图像的直角光学棱镜。

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17、

right-angled arrow shape with adjustable thickness and open or closed end.

直角箭头形状，可调粗细以及端的开放或封闭状态。

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18、

simulation and test study on right-angled flights of rotary dryers

转筒干燥器直角抄板的模拟与试验研究

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19、

lattice gas simulation of 2-d viscous flow in a right-angled bend

二维直角弯道中粘性流动的格子气体仿真

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20、

the large deflection plastic response of a right-angled frame to impact

直角刚架在撞击作用下的塑性大挠度响应

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