1. Expounds system composing, primary functions, achieving methods and hardware and software design. ������ϵͳ�Ĺ��ɡ���Ҫ���ܡ�ʵ�ַ����Լ���Ӳ����ơ�
2. This text summarizes the configuration and composing of the papain and the use in foodstuff, medicine and industry. ���Ķ�ľ�ϵ���ø�Ľṹ������Լ���ʳƷ��ҽҩ����ҵ�е���;������������