网络与数据通信 网络管理与安全 释文 security parameter index, SPI 安全参数索引
- pyranium salt
- pyranocoumarin
- pyranometer
- pyranone
- pyranose
- pyranthrene
- pyrargyrite
- pyrazine
- pyrazole
- pyrazolidine
- pyrazoline
- pyrazolone
- pyrazosulfuron-ethyl
- pyrene
- pyreneite
- pyrenocarp
- pyrenoid
- pyrenolichen
- pyrenomycetes
- pyrethrin
- pyrethrins
- pyrethroid
- pyrethroid insecticides
- pyrethroid pesticides
- pyrethroid poisoning