1·Besides providing buffer management routine, it implements dynamic buffer allocation and callback.
除了提供缓冲区管理例程，还实现了缓冲区的动态分配与回收。
2·The main flight strip system is an important part of manned spacecraft project for callback the return modules and rescuing the astronaut in time, and the communication is the information pivot of it.
主着陆场系统是载人航天系统的一个重要组成部分，负责完成飞船有效载荷的回收和宇航员的快速搜救。
3·The management system on how to storage, firing, distribution, use and callback will be built up.
对焊接材料的入库、烘烤、发放、使用和回收建设管理制度。