So people introduce highly effective loading technology to support embedded software development and system updating . loading is the process of loading program into memory ready for running . dynamic loading means runtime loading - load modules in when program needs 所谓动态加载,指的是,程序在运行期间需要调用某一模块的功能时,由加载器将该模块装即时载入内存,进行相应的重定位处理后将控制权交还调用程序。