航天航空专业的相关知识，以及该卫星上搭载的载荷，以及载荷的相关作用和原理-Aviation professional knowledge, and the satellite launch on the load, and the load of relevant function and principle

matlab中计时器的建立依据 stateflow的基本原理知识 一起学习-matlab learning together to establish the basic principles of knowledge based stateflow timer