Pennon.彭诺Penn佩恩(姓氏)Pennisetum lanatumn.西藏狼尾草Penning typesource彭宁离子源, 电子振荡型离子源Penna white turkey正羽白火鸡penning ionization彭宁电离,潘宁电离Pennisetum setosumn.牧地狼尾草Penning ionisation彭宁电离Penning ion source彭宁放电离子源Pennogenyl saponin偏诺皂甙Pennisetum glaucumn.珍珠狼尾草Pennisetum hydridum皇竹草