柔美流畅
发表于 2025-3-30 11:45:34
,Die makroökonomische Perspektive,rospace-type materials and structures. The instrument which has been employed to image the test specimens is the Ultrasonic Imager developed by the Holotron Corporation using the principles of liquid surface holography. Laser light is used to illuminate the acoustic hologram in order to form a visua
curriculum
发表于 2025-3-30 14:50:25
https://doi.org/10.1007/3-540-29349-3asonic images (the other being the electron-beam scanning tube of Sokolov). It is certainly the most easily demonstrated. In the early versions. demonstrated by Töpler and Sokolov, an ultrasonic image field focused onto the liquid surface causes the surface to elevate at each point until equilibrium
Congregate
发表于 2025-3-30 18:23:56
http://reply.papertrans.cn/15/1440/143994/143994_53.png