The mathematical derivation of the formulae used for calculation of the characteristic impedances of the coaxial branched strip lines are given.
本文给出同轴分支带线特性阻抗计算公式的数学推导。
A taut strip model experiment was performed to verify that the AAF dependent not only on the frequency, but also on the structures dimension and characteristic size of the turbulence field.
设计了拉条模型试验验证结构的气动导纳不单与频率有关，还与结构的特征尺寸、风场的特征参数有关。
The application process, electrical control, and the characteristic of circulating cooling water system for aluminium strip caster are introduced.
对铝带坯铸轧机新的循环冷却水系统的使用工艺、电气控制、系统特点进行了阐述。
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