The fatal dose of radiation for a human is 6 sieverts.

6西弗特辐射对人类就可以致命。

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He had no knowledge of what a fatal dose might be.

他不知道致死的剂量是多少。

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Defense lawyers claim Jackson gave himself the fatal dose after his doctor left the room.

辩护律师则说，杰克逊是在医生离开后，自己给自己使用了致命的药剂。

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Katherine Jackson contends AEG didn't properly investigate the doctor who later administered the fatal dose.

NPR: Jackson's Private Life On Display In Civil Trial

His lawyers claim Jackson gave himself the fatal dose while Dr Murray was out of the room.

BBC: Conrad Murray trial: Jackson 'addicted to Demerol'

Murray's finances were not a factor in the criminal case that ended with his 2011 conviction for administering a fatal dose of propofol to Jackson.

NPR: Jackson's Private Life On Display In Civil Trial