The working principle, structure and main specifications of tlie detector are presented.
本文介绍该检测器的工作原理、结构和主要技术指标；
2
Tlie result shows that it is valuable to study the effect of magnetized states of magnetic matrices on magnetic dressing.
讨论表明，聚磁介质的磁化状态对磁选的影响值得研究。
3
Objective To analyze the causes of the secondary cerebral infarction in severe traumatic brain injury and study tlie prevention and treatment for such secondary cerebral infarction.