Triangulation over a convex 2-D domain is implemented by advancing front technique and circumcircle optimizing method, while the triangulation over an arbitrary 2-D domain needs more restriction of the visibility between points.

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Isosceles triangular wave generator, which in some Simulink ramp and triangular wave off-the-shelf modules, But isosceles triangle wave, there is no, it is available to everyone.

等腰三角波發(fā)生器，在simulink 中有的是鋸齒波和三角波的現(xiàn)成模塊专业偷拍熟女在公司里偷星图片，可是等腰三角波的就沒有了视色视色网，現(xiàn)提供給大家。

Isosceles triangular wave generator, which in some Simulink ramp and triangular wave off-the-shelf modules, But ...

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Study on Tissue Culture and Rapid Propagation of Oxalis triangularis

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Orientation field near core point is changeable which is influenced by core point. Then fingerprint orientation field outspreads. At last, orientation field converges at delta point. This model can explain well why core and delta points exist in pairs in fingerprint images.

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Orientation field near baseline is parallel to baseline which is caused by baseline. Orientation field near core point is changeable which is influenced by core point. Then fingerprint orientation field outspreads.

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Section method is to split the pit slope surface into several trapezoids so as to calculate their surface area;through a digital survey of the pit slope surface,a numerical elevation model is set up,on the surface the triangular mesh is built,and all the triangular meshes are piled up to get the surface area.

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In partial celestial sphere celestial Star-Identification, the initial attitude is known. With a certain angular and distance tolerance, the separation angle of the observed stars and that of the catalog stars are matched, then, the star triangles are composed in real time. According to the rules of vector rotation, the inconsistent rotation star triangles are removed. After that, put the star triangles with public vertex into star polygon.

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Kuehl's triangle Star-Identification, some improvement had made. With a certain angular and distance tolerance, the separation angle of the observed stars and that of the catalog stars are matched, then, the star triangles are composed in real time. According to the rules of vector rotation, the inconsistent rotation star triangles are removed. After that, put the star triangles with public vertex into star polygon.

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The distances between inferior margin of 12th rib and the 3 above-mentioned nerves were all measured. Results: The superior lumbar triangle was quadrilateral (55%), triangular (35%) or irregular (5%). If the 12th rib was too short, the upper border of the triangle would be the 11th rib (5%). Four grouping patterns of the 3 nerves were found in front of the triangle, and the average distance between inferior margin of 12th rib and the 3 nerves was (16.92±6.32)mm,(59.49±14.97)mm and (112.49±17.15)mm, respectively.

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