The coupling efficiency distribution along the probe taper and the transmission efficiencies versus the taper length, the tipdiameter and the wavelength are given.
给出了光在探针锥中传输时耦合效率的分布情况，以及传输效率随锥长、针尖直径和光波长变化的特性。
2
The method and procedure of measuring and calculating involute spur gear geometrical parameters such as tipdiameter, module, modification coefficient and pressure Angle were shown in this paper.
本文阐述了渐开线直齿圆柱齿轮顶圆直径及齿轮模数、变位系数和压力角等参数的确定方法和步骤。
3
Kingfishers wedge themselves into water with a streamlined beak that gradually increases in diameter from tip to head, letting water flow past.