该文通过对带铝套管的分段弹侵彻半无限钢靶的研究分析，以流体动力学和侵彻力学为基础，提出了一个分段弹垂直侵彻半无限厚靶的简化模型。
In study of the penetration of a segmented rod with aluminum carrier tube into semi infinite steel target, we present a simplified model of based on hydrodynamics and penetrating mechanics.
其治疗目标应是挽救可逆性缺血组织—缺血性半暗带(IP)，以缩小梗塞范围和改善神经功能。
The therapeutic target is to salvage potentially reversible ischemic tissue (ischemic penumbra, IP) to reduce infarct size and improve neuromuscular function.
样品变形处于半脆性域，以出现非破裂的准韧性剪切带为特征。
Optical micrographs of deformed samples show that different scales of semi brittle ductile shear zones (SBDSZ) occur with different strains.
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