retarded field

基本解释

The western literature reveals much research work in the field of semantic processing on mentally retarded children.
有关弱智儿童语义加工的问题，国外学者进行了诸多方面的研究。
Moreover, a three-dimensional flow field of the retarded adhesive mortar in a single-screw extruder is obtained after supposition, simplification and carrying on the boundary treatment.
结合假设经过简化和边界处理，得出单螺杆挤出机中缓凝砂浆的三维流场。
It is significant for supplementing flame retarded wood theory to study the function of char forming and smoke suppression of zinc borate applied in wood flame retarding field systematically.
针对硼酸锌和聚磷酸铵在木材阻燃中的成炭作用和抑烟作用进行系统研究，对于丰富木材阻燃理论具有重要意义。