A new type dualcomplex turbulent combustion method of primary and secondary air is put forward, and its effective action on combustion process is analyzed.
提出了一种新型的一、二次风双重复合旋流燃烧的方法，并且分析了其对燃烧过程的有效作用。
2
The water resources system of basin is the complex system of human and natural water circulation, and dualcomplex character becomes the intrinsic property of water circulation.
流域水资源系统是自然和人工水循环的复合系统，二元复合特性成为水循环的固有属性。
3
Nanosized rare earth complex oxides have dual characters of nanosized materials and rare earths, which attract scientists'extensive attention.