PZTn.压电跃变
Pn.字母P
Pythagoras' theorem
pyorrhea alveolaris牙槽脓溢,齿槽脓溢
pyridoxylamino acid吡哆氨基酸
p. putnam's co.
pyruvic carboxylase丙酮酸脱羧酶
Pycnonotus atricepsn.黑头鹎
Pythium kunmingensen.昆明腐霉
P.E. facilities体育场馆
pyrroaetioporphyrinn.焦初卟啉
Pythium indigoferaen.木蓝腐霉