但是在它的初始阶段，就是宇宙大爆炸后仅一微妙，宇宙是如此之热，致使夸克和胶子那时的存在是自由的和不受约束的。
But in its infancy, just microseconds after the Big Bang, the universe was so hot and dense these quarks and gluons existed freely and unbound.
聚乙烯薄膜作为约束物，对可燃气云爆炸有着重要的影响。
Polythene film used as confinement plays an important role in flammable cloud explosion.
利用高速摄像技术，研究了小药量无约束空间纯铝粉、FAE固体燃料的一次引爆爆炸分散实验过程。
The process of the explosion dispersion FAE charge and of aluminum powder is investigated through high speed video-photography.
因此，研究约束条件对气云爆炸场的影响，对进一步提出可行的防爆、抑爆方案提供理论依据具有重要意义。
So, it is very important to study the influence of the constraining conditions on the gas cloud explosion field for making the measures and program of explosion protection and control.
此算法实际上是求约束条件下的函数最小值问题，属于组合优化问题，其计算复杂度随着目标数的增加而发生爆炸现象。
This algorithm is actually a minimum problem under the restrict conditions, it belongs to the combined optimization problem and its computing burden increases heavily with the number of targets.
此算法实际上是求约束条件下的函数最小值问题，属于组合优化问题，其计算复杂度随着目标数的增加而发生爆炸现象。
This algorithm is actually a minimum problem under the restrict conditions, it belongs to the combined optimization problem and its computing burden increases heavily with the number of targets.
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