PNT的电容器薄膜(Capacitor Film)分切机使用剪刀式(Shear Knife) aerial Slitting 分切方式，可对窄幅基膜进行分切，使用了波浪刀片.
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对剪刀式尾桨的气动特性进行了实验和分析研究。
An experimental and analytical investigation on the aerodynamic characteristics of a helicopter scissors tail rotor has been made.
然后，建立了一个剪刀式尾桨气动特性计算的分析模型，并进行了验证。
A free wake analytical model is then developed for predicting the aerodynamic characteristics of a scissors tail rotor and validated by numerical examples.
研究剪刀式尾桨气动噪声的混沌特性，并应用混沌理论进行了直升机尾桨气动噪声信号分析。
Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.
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