FLASK
发表于 2025-3-23 13:38:49
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焦虑
发表于 2025-3-23 14:23:53
Comfort for the Computationally Crippled,about measurable outcomes and can specify their uncertainty in such predictions. Because those predictions are quantitative, they must employ mathematics. This chapter is intended as an introduction to some of the more useful mathematical concepts, strategies, and techniques that are employed in the
揉杂
发表于 2025-3-23 20:04:12
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justify
发表于 2025-3-24 02:08:49
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手段
发表于 2025-3-24 04:40:49
Elasticity of Solidsthat the sample will remain at rest because the net force on the sample is zero. If the sample is an elastic solid, then those forces will cause the solid to deform by an amount that is directly proportional to the applied forces. When the forces are removed the sample will return to its original sh
英寸
发表于 2025-3-24 07:28:55
Modes of Barseir application to longitudinal and shear waves will be both familiar and simple. What you will find to be even more satisfying is the success of those same techniques for finding solutions for waves in a system that does not obey the wave equation and whose solutions are not functions of . ± ..
柔软
发表于 2025-3-24 14:30:17
Membranes, Plates, and Microphones-dimensional vibrating surfaces. In Part II, we begin our investigations into waves in fluids. This final vibrations chapter is then appropriately transitional, since most waves that are produced in fluids result from the vibrations of two-dimensional surfaces. All acoustical stringed musical instru
迅速飞过
发表于 2025-3-24 15:32:46
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修饰语
发表于 2025-3-24 20:43:59
Nondissipative Lumped Elementsmple acoustical networks, we can begin to develop our understanding of their meaning and their broad utility in acoustics. We start by ignoring dissipation and by choosing acoustical elements that are . In this nondissipative . approximation, the Continuity Equation (.) leads us to the definition of
Offensive
发表于 2025-3-25 01:01:55
Dissipative Hydrodynamicsmplitude inside the resonator’s volume (compliance) became infinite. This was because the theory used to model that inertance and compliance network in Figs. . and ., and in Eq. (.), did not include any dissipation. By introducing D.EC, we were able to calculate the amount of power dissipated in the