This paper probes into the influence of initial bending and initial eccentricity on bars' dynamic behavior by using the theory of elastic stability.
采用弹性稳定理论，初步探讨了初弯曲和初偏心对杆件动力性能的影响问题。
Direct tension test is the only feasible way to obtain the uniaxial tensile stress-strain curves, and the initial eccentricity is the key issue affecting the uniaxial tensile test results.
直接拉伸试验是获得材料单轴拉伸应力-应变曲线的唯一可行方法，初始偏心是影响单轴拉伸试验结果的关键问题。
The difference of vibration between a mass eccentricity rotor and an initial bend rotor is analyzed. The special balancing problems of rotors caused by initial bend are discussed.
阐述了转子带有初始弯曲与质量偏心引起的转子运动之间的差异及初始弯曲给转子平衡带来的特殊问题；
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