枝野幸男指出，所有核电厂并未发生放射性物质的泄漏。

Edano has said there have been no leaks of radioactive material at any plants.

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日本内阁官房长官枝野幸男表示：在星期二，核电厂的辐射等级在每小时100到400毫西韦特之间。

Radiation levels at the plant Tuesday were between 100 and 400 millisieverts per hour, Japan's Chief Cabinet Secretary Yukio Edano said.

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枝野幸男说，有“微量”的放射性物质随着蒸汽被排放至大气中。

“Tiny amounts” of radioactive material had escaped into the air during the ventilations, Mr Edano said.

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