历史学 美国历史 释 Works Progress Administration；WPA 工程振兴局 罗斯福新政时期实施社会救济的重要机构。
网络与数据通信 网络管理与安全 释文 WiFi protected access, WPA WiFi保护接入
- eclipse function
- eclipse limit
- eclipse map
- eclipse number
- eclipse of satellite
- eclipse of the moon
- eclipse of the sun
- eclipse path
- eclipse season
- eclipse series
- eclipse theory
- eclipse year
- eclipsing binary
- eclipsing binary star
- eclipsing component star
- eclipsing double star
- eclipsing effect
- eclipsing infrared source
- eclipsing star
- eclipsing strain
- eclipsing variable
- eclipsing X-ray source
- eclipsing X-ray star
- Ecliptic
- ecliptic