vibration n. 1.振动,颤动;摆动;【物理学】振动。 2.(心的)震颤。 3.(思想情绪的)激动。 4.犹豫。 the amplitude of vibration 【物理学】振幅。 the vibration period = the period of vibration 振动周期。 adj. -al
partial adj. 1.一部分的,局部的,不完全的。 2.不公平的;偏袒的。 3.偏爱的,特别欢喜的 (to)。 4.【植物;植物学】后生的,再生的。 partial drought 小旱。 partial in one's judgement 判断不公平的。 be partial to 偏爱 (He is too partial to tobacco. 他太欢喜抽烟了)。 adv. -ly n. -ness =partiality.
By using this method , the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious 采用增大局部结构刚度的方法,对于降低水下结构的局部振动与低频噪声辐射效果显著。
Firstly , finite element model of lathe spindle using finite element technique is established , and supporting bearings are treated as springs , unknown physical parameters and partial vibration displacement make up of new solving vector through using method of combination of academic modeling and experiment , mathematic model of solving stiffness of beating of lathe spindle is established using inverse analysis method of response problem finally 建立了机床主轴的有限元模型,将支承轴承简化为支承弹簧,通过理论建模与实验相结合的办法,将待识别的物理参数和部分振动位移组成新的求解向量,利用响应问题的逆分析方法建立了求解主轴轴承刚度的数学模型。