该文提出一种全新的平板式太阳能供热与制冷联合循环新思路，并进行了实物样机制作。
A new flat plate solar combined system with heating and cooling was proposed and experimental prototype device was constructed.
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。
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。
In this paper series of traveling wave type ultrasonic motors that are fabricated by our group are introduced.
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。
In this paper series of traveling wave type ultrasonic motors that are fabricated by our group are introduced.
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