1.Interpolation technology is the kernal of NC system, the effect of interpolation directly affects the NC system's machine efficiency.
插补技术是数控系统的核心技术，插补算法的优劣直接影响数控系统的加工效率。
2.The integrated avionic system is a large complex system, whose kernal part is the overall design of the message traffic system.
航空电子综合化系统是一个复杂的大系统，其核心是信息传输系统的设计。