What a pebble bed reactor is, is in fact the same coated particle with the uranium kernel and there are about ten thousand of these particles that are put into a graphite pebble.
什么是卵石层反应堆，事实上就是同样的,铀核包装的微粒,有大约1万的微粒,被放入了一个石墨卵石里。
Aiming at the elastoplastic analysis of soil slope stability, a reproducing kernel particle method(RKPM) was put forward.
针对土质边坡的稳定性问题，提出了利用无网格法中的再生核质点法（RKPM）进行弹塑性分析的方法。
Uses the adaptive discrete particle swarm algorithm to learn the similar kernel matrix.
通过自适应的离散粒子群算法来对核相似矩阵进行学习。
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