He said detection of the radioactive element caesium outside the No.1 reactor today was "a bad sign" for a core meltdown.
他说今天在第一核电站检测到放射性元素铯，这是核心融化的不好迹象。
A high level of radiation detected Thursday in water at the No. 3 reactor's turbine building may have come from the reactor core.
星期四，3号反应堆涡轮系统内的水被监测出含有高辐射水平。这些辐射可能来自这个反应堆的堆芯。
As a new type of research reactor with new fuel element and core structure, no experience can be used for the design and implementation of the power regulating system.
某新型研究堆采用新型燃料元件和堆芯结构，反应堆的控制特性缺乏基本数据，功率调节系统的设计无可借鉴经验。
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