燃料棒被束在一起放置于反应堆的核心。
The fuel rods are bundled together in the core of the reactor.
油孔附近的油束上边缘处具有合适的燃料浓度和较高的温度，最先发生自燃；
The upper edge of spray near the nozzle would ignite first for its appropriate fuel concentration and higher temperature.
棒束栅元单一控制体划分，会使得计算得到的燃料峰值温度等表征严重事故来临时间晚于试验值；
A simplified control volume nodalization of bun-dle, may lead to late coming of predicted peak fuel temperature compared to that of measured;
快速点燃法需要的强激光器也少，因为第一束激光之后，反应就依靠燃料核内部的能量可进行下去。
Fast ignition also takes less powerful lasers, because the reaction rides on the energy contained in the pellet after the first pulse.
快速点燃法需要的强激光器也少，因为第一束激光之后，反应就依靠燃料核内部的能量可进行下去。
Fast ignition also takes less powerful lasers, because the reaction rides on the energy contained in the pellet after the first pulse.
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