针对复杂曲面工件内部缺陷的超声检测，提出了一种新的近似等弧长超声检测轨迹生成算法。
Aimed at internal defect ultrasonic inspection for sculptured surface parts, the paper presented a new nearly arc-length approach to path generation.
在等弧长比投影族球面正二十面体投影基础上设计了球面三角四叉树剖分模型(EARPIH)。
Based on the spherical icosahedron case of Equal Angle Ratio Projections (EARP), a new spherical Triangle regional Quadtree (EARPIH) is constructed.
在双曲空间中，考察椭圆的包含关系，对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.
介绍了ADSS光缆的力学计算，给出了光缆弧垂、张力、应变和悬长等计算公式，并对普遍采用的“悬链线”和“抛物线”两种计算方法加以比较。
The mechanical calculation of ADSS fiber optic cable is introduced and the calculation formulae for sag, tension, strain and slack length etc are given.
对离散曲率数据进行处理，计算其均值和方差以及弧形件的弧长、夹角、面积等特征量。
The discrete curvature data were arranged; the mean and variance, as well as the arc-length, surface and angle of curved pieces were calculated.
具有断流容量大、绝缘水平高、灭弧能力强、寿命长、体积小等优点和维护简单，无爆炸危险，无污染、噪音低等优点。
The product has the advantage of small volume, big drop out current volume, high insulation, strong arcing ability, simple maintenance, no explosion danger, no pollution, little noise.
具有断流容量大、绝缘水平高、灭弧能力强、寿命长、体积小等优点和维护简单，无爆炸危险，无污染、噪音低等优点。
The product has the advantage of small volume, big drop out current volume, high insulation, strong arcing ability, simple maintenance, no explosion danger, no pollution, little noise.
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