Then it specifies the kernel concept of MPLS, explains MPLS protocol model, transmit principle and doubleplane structure.
然后详细介绍了MPLS的核心概念，讲解了MPLS的协议模型、转发原理和双平面结构。
2
Objective to design a new external fixator with doubleplane fixation ability on the basis of unilateral multifunctional external fixation apparatus.
目的在单侧多功能外固定架的基础上研制具有双平面固定作用的外固定架。
3
The results show that DoublePlane Transesophageal Echocardiography can be successfully performed in all cases of the aged and can overcome unclear image caused because of fat and other factors.