This re-stated system includes an equilibrium condition of social reproduction and three deductions, the internal relation of which can be illustrated by geometry forms.
The damp heat is the external factor of HP infection but also the internal environment of its growth and reproduction.
“湿热”既是HP感染的外在因素，又是它赖于生长、繁殖的内在环境。
3
The operation in internal box such as automatic sampling, switching both anion and cation analytical system and automatic reproduction of suppressor is controlled by an automatic system in outer box.