What does the term PnP mean?(Please answer the question in English.Thank you!)

英语翻译What does the term corrosive mean in referring to the satefy hazaed of hydrochloric acid? What does the term PnP mean?(Please answer the question in English.Thank you!) The first term in sequence above is 7,and each term after the first is determinedby multiplying the preceding term by m and then adding p.What is the value of 英语翻译what is the term of president What'your plan for the new term what does the sign when does the first term start in china what is the meaning of the term orgasm ? marginal utility/ price what does the ratio of MU to P for a produce mean? What does the man do? what does the man mean what does the man want what does the woman want? What does the teacher say? What does the boy ----- doing? What does the boy do “What does the writer do? what does the teacher like