运用球面图法及平面三角法，计算了三种组合夹具实例的空间角度及空间点的坐标。
By means of spherical graphics and plane trigonometry, space angle and space point coodinates are calcullated for three sets of combined fixtures as examples.
然后，采用彩色刺激光谱投影到rgb颜色空间的原理，通过色度学中麦克斯韦的三角平面坐标色度图对各聚类结果进行可视化显示。
Second under the principle of mapping color stimulus spectrum to rgb color space every clustering is visualized by the chromaticity diagram of j. c. maxwell's triangle plane coordinate.
蜗壳的每一节，在下料时需要绘制展开图，采用数解法进行展开，即常用的坐标法或三角形法。
When the material is prepared, each pipe is required to draw its developed map by using mathematics analysis, that is, common coordinate method and triangular method.
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