There is no common normal in the conical involute gear and the fixed chordal tooth thickness can not be measured accurately because of the coexistence of helix angle and taper.
渐开线锥形齿轮由于同时存在锥度和螺旋角，使得其固定弦齿厚无法精确测量，也没有公法线。
A fishing rod's action is a function of three primary factors, blank material, taper and thickness of the blank.
钓竿动态的功能延自三个主要因素，竿身材料，竿身锥度和厚度。
The enhancement factor strongly depends on the illumination spot size, taper Angle of the probe, and the metal film thickness. The tolerance of the alignment Angle is investigated.
研究发现电场增强跟入射光斑大小，探针的锥形角，以及金属膜厚度密切相关。
The following photos show the blade thickness and distal taper.
以下的是比较不同刀剑的刃厚及其变化。
The following photos show the blade thickness and distal taper.
以下的是比较不同刀剑的刃厚及其变化。
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