德克萨斯A&M大学和休斯敦大学的科学家们将研究重点放在一些压电材料上，它们只有21纳米的厚度，却能够转换能量。
The Texas A&M and University of Houston researchers focused on a certain type of piezoelectric material, which is able to convert energy when it is manufactured at around 21 nanometers thick.
实验表明，采用一定厚度的约束层，既能有效利用激光能量，又能获得较大的激光冲击波峰压；
The experimental results revealed that an appropriate overlay thickness can not only use laser energy effectively but also provide optimal peak pressure of shock waves.
这种模型能确定与炸药临界起爆相关的参数，诸如沉积的激光能量、烧蚀层和飞片的厚度以及飞片飞行的距离等等。
This model can be used to determine parameters related with critical initiation of explosive, such as deposited laser energy, thickness of ablation layer and flyer, flying distance and so on.
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