... 氧化速率 rate of oxidation 穿孔速度 rate of perforation 功率变化速率 rate of power change ...
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它的穿孔直径和穿孔速度所需动力都与土层的各种物理力学参数有密切关系。
The perforation diameter, speed as well as the power supply required are closely related to physical and mechanical properties of soil stratum.
在接近穿孔极限速度的入射速度(V50)范围内，这一机制依赖于复合材料板的厚度和中间层剪切强度。
In the range of incident velocities near to the perforation limit velocity (V50), this mechanism depends on thickness and interlaminar shear strength of composite plate.
文中根据能量守恒原理及侵彻孔径公式，推导了获得圆柱形穿孔的射流直径与速度的关系。
The law conversation of energy and the hole diameter formula of jet perforating are employed to deduce the relationship of diameter and velocity of jet for cylindrical hole of perforation concrete.
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