The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。
In theory, the Army could use such a system to approach targets covertly and drill through concrete, steel, wood, or other materials from a stand-off distance equal to the length of a football field.
理论上，美国陆军将利用该系统实现某些目标，既通过远距离(超过一个足球场的距离)的设备对混凝土、钢铁、木头以及其他材料进行隐蔽的击穿作业。
The action of the stress on the wall induced by drop motion is restricted in an area near the symmetric axis, which increases when the initial stand-off distance increases.
上的应力的作用，逐滴运动诱导的壁附近的对称轴的区域中，从而增加了当初始放置过的距离的增加被限制。
The diameter and depth of the holes eroded by HPAWJ increase with the increase of stand-off-distance.
磨料水射流加工孔的直径和深度随靶距的增加而增加。
For the design of fire-extinguishing ammunition, the mathematic relationship between dynamic action area and stand-off distance was presented.
针对液体灭火弹引战配合设计，研究液态灭火剂动态抛撒面积与炸高的关系。
For the design of fire-extinguishing ammunition, the mathematic relationship between dynamic action area and stand-off distance was presented.
针对液体灭火弹引战配合设计，研究液态灭火剂动态抛撒面积与炸高的关系。
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