Jewish Defense League犹太防御联盟 Joint Domain Localized (signal estimation)联合域信号估计本地化() Joint Directors of Laboratories联合董事会实验室 Job Drawing List工作图清单 Java Digital Library爪哇数字图书馆 Just Dumb Luck死耗子 Joint Data Library图书馆联合数据 Java DBMS Linux爪哇数据库Linux Java Developers Lobby (Sun)Java开发游说团(太阳) Job Description Language职位描述的语言