You may only use elementary geometry, such as the fact that the angles of a triangle add up to 180 degrees and the basic congruent triangle rules (side-angle-side, etc.).
你可以使用初等的几何知识例如三角形的三个内角各为180度和三角形全等的规则(边-角-边等)。
This paper discusses the application of the basic models of exploring learning in the teaching and learning of middle line of the triangle.
探讨“三角形中位线”的教学中探究性学习基本模式的应用。
Constructing triangle surface which interpolates the boundary curve and cross-boundary slopes on a triangle is the basic problem in computer aided geometric design, computer graphics and so on.
在三角形域上构造对边界曲线和跨界导数插值的三角曲面是计算机辅助几何设计和计算机图形学等领域中的基本问题。
The effect of model indicates that the Delaney triangle method of constructing using cylindrical reference frame is an important basic method of constructing triangular grid model.
建立格网模型的效果表明，借助柱面坐标系统构造狄罗里三角形的方法可以作为三维物体表面三角形格网模型的一个重要的基本方法。
The conjugal relationship and parent-child relationship constitute the most basic triangle of the family relationship .
夫妻关系和父母子女之间的关系构成了家庭关系最基本的三角。
So basic iterative learning control algorithms can't be used in the case which the trajectory is square wave or triangle wave.
故基本选代学习控制是不能直接应用于类似于方波、三角波这样的曲线的跟踪中。
I would like to start really basic for now, I'm thinking a rectangle for one player, circle for another and a triangle for the other.
我想开始真正基本的现在，我想一个球员的矩形，圆另一个和一个三角形。
The visual element includes dot, line, surface, triangle, square, sphere and other basic geometric shapes, with the music interaction it brings a swift and fierce audio-visual experience.
视觉由点，线，面，三角，方形，球体等基础的几何形状组成，在现场以巨幕投影和音乐的互动带来简洁而冷峻的视听体验。
The visual element includes dot, line, surface, triangle, square, sphere and other basic geometric shapes, with the music interaction it brings a swift and fierce audio-visual experience.
视觉由点，线，面，三角，方形，球体等基础的几何形状组成，在现场以巨幕投影和音乐的互动带来简洁而冷峻的视听体验。
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