本文用宏观和微观方法测量了几种高强度钢的疲劳裂纹扩展速率，用金相和断口复型法观察了疲劳断口的微观形态以及与显微组织的关系。
The studies were carried out of the test of fatigue crack growth rate and relative to the microscopic morphology of fracture surface in certain high-strength steels.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
高斯型口径分布所产生的辐射场可以近似地用复射线法来分析。
The radiated fields from Gaussian distributed aperture(GDA)can be approximately analyzed using the complex ray method(CRM).
采用电化学交流阻抗法和极化曲线法研究了环境友好型缓蚀剂钨酸盐及其复配对模拟水中碳钢的缓蚀作用。
The inhibition effect of environmental friendly inhibitors such as tungstate and its complex for carbon-steel corrosion in simulated water is studied by using AC impedance and polarization curves.
采用复刚度法对某型直升机救生绞车支架进行表面阻尼处理的分析。
The complex stiffness method is adopted to carry out the analysis of surface damping treatment for the support of life winch of a certain typed helicopter.
结果表明，采用该方法能够有效地识别出模态振型，从而弥补了复指数法在未知激励下进行模态分析的不足。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown excitation condition.
它是采用复凝聚法，以稀禾定为芯材、以明胶和阿拉伯胶为壁材的缓释型微胶囊水悬剂。
The slow-release microcapsule water suspension agent uses the sethoxydim as core material by complex coacervation method and uses the gelatin and the arabic gum as wall material.
结果表明，采用该方法能够有效地识别出模态振型，从而弥补了复指数法在未知激励下进行模态分析的不足。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown exci…
结果表明，采用该方法能够有效地识别出模态振型，从而弥补了复指数法在未知激励下进行模态分析的不足。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown exci…
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