The prediction, exploration, and development of this type of reservoir require theoretical research on seismic wave fields reflected from complex inhomogeneous media.
为了解决这类储层的勘探开发及预测问题，需要从理论上对它们的地震波场进行研究。
As a different type of research methods and a different theory of knowledge production, design research focuses on connecting design practice with substantiated theoretical reflection.
指出设计研究作为一种不同的研究方法与知识生产方式，需要紧密联系设计实践与被证实的理论反思。
Based on the theoretical research and prototype fabrication of traveling wave type ultrasonic motor, the traveling wave type ultrasonic motor used for lifting glass for vehicle window is developed.
在超声波电机理论研究和样机制作的基础上，开发了用于汽车车窗玻璃升降的行波型超声波电机。
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