This was occurring 75, 000 years ago, some 40, 000 years before the “creative explosion” of self-adornment and cave paintings once thought of as the sudden origin of human self-expression.
这些事情发生在7万5千年前，比曾经认为的人类自我表达的突然起源的自我装饰和洞穴壁画要早4万年。
Navy ships may be subject to shock generated by non-contact underwater weapon explosion, contact weapon hits, self-delivered weapon explosion and nuclear blast.
舰船冲击环境主要是水下爆炸、武器直接命中、自身发射武器爆炸和核爆炸冲击波作用于船体的结果。
Small size, light weight, low loss, small inherent temperature rise, good self-healing effect, stable capacitance, inherent anti-explosion design, more safety and reliability.
体积小，重量轻，损耗小，内部温升小，自愈效果佳，电容量稳定，内部装有防爆装置，使用安全可靠。
A model for thrust calculation was set up by combining Sedov's theory of self similarity solution for line explosion with shock wave theory of reflection and attenuation.
建立了基于谢多夫柱爆轰理论和冲击波反射与衰减理论的光船推力计算模型。
According to the characteristics of ignition and explosion signals, a system for detecting the artillerys explosion time based on self-adaptive threshold is developed.
针对炮弹炸点光信号的强度与频谱特性，设计了一种基于自适应阈值的炸点时间测量系统。
According to the characteristics of ignition and explosion signals, a system for detecting the artillerys explosion time based on self-adaptive threshold is developed.
针对炮弹炸点光信号的强度与频谱特性，设计了一种基于自适应阈值的炸点时间测量系统。
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