在同圆或等圆中，能够互相重合的弧叫等弧。
等弧长分段 EpualArcLengthSegments ; equal arc length segments
等弧长 Arc Length ; equal arc-length
初等弧族 [数] elementary family of arcs
等离子弧焊 PAW ; plasma arc welding ; plasma welding
等弧对等弦 equal arc, equal chord
等弦对等弧 equal chord, equal arc
等距圆弧格网 [测] equilong circle arc grid
等弧长圆弧 substitutive arc
交流等离子弧焊 AC plasrna arc welding
小孔型等离子弧焊 keyhole-mode welding
这些数字化设备多数采用等弦或等弧方式采集物体表面的数据。
The adopted equipments are Coordinate Measuring Machine, NC with measuring device, special digitizer etc.
提出一种基于等弧长法的改进算法，用于求解花键滚刀理论齿形的代用圆弧参数。
Taking a spline hob for example, this paper analyses the normal tooth measuring profile on hob in theory.
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.
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