The IAEA's Research Reactor Database (RRDB) is an authoritative database containing technical information on over 800 research reactors, including critical and sub-critical assemblies in 71 countries.
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武则天叫什么名字
百度 6月30日以来，长江中下游沿江地区及江淮、西南东部等地出现入汛以来最强降雨过程，给部分地区造成严重洪涝灾害。
The information in the database, provided by facility focal points nominated through official channels, also includes utilization and administrative information.