内角的

The choice for material of iron core, all the structure design and the method of collimation for the magnet were also described. Simulation results of Opera show that when the length of the core is 220 mm, the effective magnetic length is about 302 mm and the maximal magnetic density is around 0.215 T at four interior angles. Corresponding field uniformity is within 0.8% in the area of 133 mm×200 mm.

根据磁铁的设计指标，给出了磁铁设计要求铁芯材料选择方法、整体的结构设计以及如何对磁铁进行定位和准直，并采用Opera程序进行模拟计算，结果表明：当铁芯长度为220 mm时，磁有效长度大约为302 mm；磁感应密度最大的地方在4个内角上，约为0.215 T；在133 mm×200 mm的平面范围内，磁场均匀性优于±0.8%。

Find the number of sides of a regular polygon if an interior angle exceeds an exterior angle by 150°.

一正多边形的某内角较其外角大的 150°，求该正多边形边的目。

Example 1: the sum of the interior angles of a polygon is 3 times as large as the sum of exterior angle, how many sides does it have?

范例1：一个多边形的内角和等于它的外角和的3倍，它是几边形？

He showed by using geometric construction and the law of refraction (also known as Descartes' law) that the angular radius of a rainbow is 42 degrees i.e.

他使用几何结构和折射定律显示了一次彩虹的角半径（也就是彩虹边缘的虹膜与通过彩虹中心的阳光的内角）是42度。

The results show that a difficult-sheared region exists in the vicinity of the inner corner of the die channel; a dead zone at the outer corner of the die channel and obvious uniform shear deformation at the middle region of sample during ECAE processing are formed. The less-sheared regions caused by friction resistance are observed at lower and top parts, which are symmetric and gradually extend to the inner part along the sample longness. The less-sheared region percentage increases with ECAE processing.

结果表明：挤压过程中试样在模具通道内角点附近形成难变形区；在模具通道外角点形成变形死区；试样的芯部变形比较均匀，为明显的剪切变形；受摩擦阻力的影响，试样顶部和底部均出现了滞变区，该区域呈轴对称分布且沿试样长度方向逐渐向试样芯部扩展；滞变区比例随挤压的进行而增大。

The sum of the interior angles of a triangle with paper, card , sketchpad and so on in groups.

学生分组，用事先准备好的三角形的纸片、卡片、几何画板软件进行探究：三角形的内角和。

The changes of density of epidermal keratinocyte and the amount and distribution of melanin in the epidermal KC were observed by histological, histochemical and autoradiographic techniques.

为了观察全厚皮片移植对过度色素沉着的影响，用豚鼠作实验对象，采用组织学、组织化学及放射自显影技术，观察豚鼠表皮内角朊细胞的密度、角朊细胞内黑色素颗粒的数量及分布形式的变化。

The rule for checking the angles of any object is that the sum of the interior angles of a closed polygon...

检查任何一个物体的角度的规则主要根据闭合多边形的内角和。

In this paper,the important method of R-r-s is used to establish two inequalities for the medians and angle-bisector s of acute triangles,and two inequalities conjectured are proposed and verified with the computer.

应用三角形不等式中重要的R-r-s方法，证明了锐角三角形的中线与内角平分线的两个不等式，提出了两个未解决的猜想不等式。

Such a universe is said to be "closed", and the curvature of its space produces triangles containing more than 180

这样的宇宙被称为&封闭宇宙&，它的空间曲率会使三角形的内角之和大于180°。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。