常見例句雙語例句This paper also presents the fatigue testing of helicopter composite tail rotor blade.本文主要研究這些缺陷對復合材料槳葉疲勞壽命的影響。This paper introduces a method of making selection of helicopter tail rotor parameter optimization using computer optimum techniques.本文介紹采用計算機優(yōu)化技術進行直升機尾槳參數(shù)優(yōu)化選擇的方法。Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.研究剪刀式尾槳氣動噪聲的混沌特性，并應用混沌理論進行了直升機尾槳氣動噪聲信號分析。 返回 helicopter tail rotor