总体标准偏差

population standard deviation

• poincare，jules henri
• poincare，raymond
• poinciana
• poinsettia
• point
• point-blank
• point-device
• point-devise
• pointe
• pointe-a-pitre
• 'pointed:
• pointe-noire
• pointer
• point four program
• pointillism
• pointing-stock
• point-to-point
• poise
• poised
• poison
• poisoned
• poison gas
• poison hemlock
• poisoning
• poison ivy(或poison oak)