But, according to the NRC, scientists believe that half a population would die within 30 days after a full-body dose of 3, 500 to 5, 000 millisieverts from a few minutes to hours.

但是根据NRC称，科学家相信半数人群，在几分钟到几小时中，全身接触到3500到5000毫西韦特辐射量之后会在30天内死亡。

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But this compact flashlight can be charged easily and quickly (in as short as 30 minutes) and operate continuously up to 3 hours on a full charge.

但是，这个紧凑的手电筒可以充电方便快捷(在短短30分钟)和连续运作长达3小时，充满电。

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A game full of "jump with fear" moments: the player will NEVER rest or feel safe throughout the 3 hours of gameplay.

游戏充满了“跳跃与恐惧”的时刻：玩家将永远不会休息或感到安全在整整个3个小时的游戏中。

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The smartphone offers the largest battery capacity in its class at 3, 140mAh, allowing for Full HD viewing enjoyment for hours on end.

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That's 3:00 AM Mogadishu time on Saturday, a full 48 hours after the Bainbridge reached the vessel.

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Similarly, a study of University of Chicago MBAs, with Marianne Bertrand, found that, a decade after graduation, women with children work on average 24% fewer weekly hours than men. (Women without children work about 3% fewer hours.) Only half of them work full-time.

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