nnsf meaning in English

国家自然科学基金委
中国国家自然科学基金会

This work is part of the project of the national distinguished youth project , scientifically refining the ecological experiences in the chinese traditional residential buildings , which is financed by nnsf
本文系统地研究了生土建筑的室内热湿环境问题，它是国家杰出青年科学基金项目《传统民居生态建筑经验的科学化研究》的子项研究内容之一。
To solve the problems above , this dissertation supported by the project of national natural science foundation ( nnsf ) : research on piezoceramic micro - actuator ’ s polarity modeling and controlling method ( code : 60274053 ) focuses on the research of driving and control technique of piezoceramic . the drivers based on voltage , current control had been designed with the high voltage amplifier as core component
针对压电陶瓷驱动存在的上述问题,本文结合国家自然基金项目“压电陶瓷微驱动器件极化模型与驱动方法的研究” (编号: 60274053 ) ,以高压运算放大器为核心元件,通过分析电压、电流型驱动器原理及电路参数,提出了一种弥补其不足的复合型驱动方法。