Monotonous
发表于 2025-3-28 17:40:17
A. Aggeli,I. A. Nyrkova,M. Bell,L. Carrick,T. C. B. Mcleish,A. N. Semenov,N. Bodenly distributed mass: the taut vibrating string, and the rod in longitudinal or torsional vibration. In the first three sections of this chapter we shall state the governing differential equations, discuss some transformations linking them, derive some elementary properties of their solutions, and fo
腼腆
发表于 2025-3-28 20:43:42
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