文章对比分析了当前可以采用的水下切割技术，指出射流切割更具有发展潜力。
Although all techniques may be practiced underwater, the water jet cutting is advanced and better.
建立了侧面视觉检测系统，对激光切割过程中火花簇射行为进行分析。
The behavior of sparks has been investigated by side imaging the sparks jet.
通过设置不同的激光切割参数，对温度场的变化进行了模拟分析。
The change of temperature field is simulated and analysed by setting different cutting parameters.
通过设置不同的激光切割参数，对温度场的变化进行了模拟分析。
The change of temperature field is simulated and analysed by setting different cutting parameters.
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