Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
首先,用多尺度法导出弱非线性强迫激励系统的频率响应函数。
In this paper, the new optimization method, constant fin scale method, on the longitudinal fins is introduced and compared with traditional method.
介绍了优化鳍片管的恒肋重法,并与传统的计算方法进行了对比验证。
A spatial and temporal multiple scale method is studied to simulate the phenomenon of non-Fourier heat conduction in periodic heterogeneous materials.
研究了一种空间时间多尺度的方法,来分析周期性材料中非傅立叶热传导问题。
And so in the 1940s, a group of people led by Collier started to develop a large scale production method for making a reliable source of vaccinia virus.
在二十世纪四十年代,科利尔带领一群人开始研究,一种大规模的生产方法,这种方法能制得牛痘病毒的可靠来源
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