查询词典 equilateral triangle

As the equation of the curve determined by companion centers shows, our main result is that the set of all companion centers of a nonisosceles triangle is the unique equilateral hyperbola, called the hyperbola of , passing through the vertices ,, and the barycenter of .

透过伴心轨迹方程式我们得到主要结果如下：非等腰三角形的伴心所成的集合是一个通过三顶点、、及重心唯一的等轴双曲线，称为的双曲线。

Two, from mouth to the North Gate Gate Wo two things equal to the distance between, forming an angle of 60 degrees the equilateral triangle, and the best contrast ratio perspective.

二、从午门北口至太和门东西两房之间的距离相等，形成一个夹角为60度的等边三角形，所以又烘托出最佳的视角比值。

ABC is an equilateral triangle inscribed

ABC 是个内接於小圆的一个等边三角

The last-mentioned members (28) are located in a second, imaginary triangle having an equilateral shape, which is smaller than the first-mentioned triangle and rotated in relation to the same.

所述接合部件(28)定位于具有等边形状的第二、假想三角形中，第二假想三角形小于第一次提及的三角形并且相对上述三角形旋转。

Take the opportunity of this project, theoretical and experimental researches on the high-efficiency evaporator used in a large quick-freeze equipment have been done. The main work of experimental research is as follows:(1) Compare and analyze the influences of structural parameters on the heat transfer coefficient of an evaporator. The calculation results show that, under non-freezing conditions, the structure possessing the highest heat transfer coefficient is the one with circular fins, equilateral-triangle arranged small tubes and varying fin-spacing.

主要做了以下几方面的试验研究工作：(1)对不同翅片形状、管径大小、翅片管排列方式，以及是否带波纹等结构参数对蒸发器传热系数的影响进行了比较分析，得出在不结霜工况下，具有最高传热系数的蒸发器结构是圆翅片小管径正三角形排列等节距结构的结论。

After several years analysis and research in practice,this paper uses approximate equilateral triangle method,by the way of sine theorem,last according to tagent formule to calculate the REM ,this method is ssimple,its accuracy is high,the method applies to any circumstance to measure REM .

本文经过实践多年分析研究，采用近似正三角形法通过正弦定理、长边推短边，最后按正切公式让算获得悬高，方法简便，精度高，适用于任何条件下的悬高测量。

Location on the back, take 1/4 of the distance between the two nipples as the side of an equilateral triangle, place the vertex angle on Dazhui(DU 14) point, and the base is horizontal.

位于背部，以两乳头间距离的1/4为边长，作一等边三角形，一角顶置大椎穴上，底边呈水平，下端两角是穴。

She is found dead in the badminton court by the court manager and two students. Her body is surrounded by an equilateral triangle formed by three rows of shuttlecocks.

一日清晨被管理员和两名同学发现死於学校的体育馆内，而她的尸体周遭围绕著一圈羽球，排列形状近乎正三角形。

Remove the death bone of the femoral head,repair acetabulum,three Kirschner or lag screw bore into from the head of femur,parallel to neck of femur,present equilateral triangle.Filling up the bone cement in the bipolar hemiarthroplasty,set enters neck of femur,form the new head of femur.

清除股骨头死骨，修整髋臼，从股骨头与股骨颈平行呈品字型钻入3枚克氏针或拉力螺钉，在人工股骨头中填满骨水泥后套入股骨颈形成新的股骨头。

The birth of a True Equilateral Triangle from Isosceles parents is the subject of rejoicing in our country for many furlongs around.

一对等腰三角形父母如果生出真正的等边三角形，这在方圆百里都是件大喜事。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。