Objective:To study the histological characteristics of osteoblast mode of pseudo growth plate in bone lengthening area.
目的：了解骨延长区假性生长板及其成骨方式的组织学特点。
2
The reference station needs to monitor and receive the high-accuracy navigation signal in the wide area DGPS, and to get more accuracy data of pseudo-range observation.
在GPS广域差分系统中，参考站需要进行高精度导航信号监测接收，并获得良好的伪距观测数据。
3
The compression in the EW direction during recent two years is more obvious than before, to south of Beijing it is the area of movement conversion and the quadrant pseudo-center of surface strain.