TRIZ发明问题解决理论理论
TRIZ theory of inventive problem solving theory
固体与分子经验电子理论(EET理论)
empirical electron theory(EET) of solids and molecules
固体与分子经验电子理论EET理论
empirical electron theory EET of solids and molecu
爆炸危险源
explosion dangerous source
爆炸危险源辨识
Explosion hazard identification
病理危险因素
Histopathologic risk factors
城市重大危险源管理系统
city major hazard management system