如果机器和人都没有接收到他们需要的信息，即使拥有最大功率的激光机和最有效的原材料处理系统也是无济于事的。
The most high-powered laser and efficient material handling system don’t count for much if both machines and people can’t access the information they need.
但它的一个缺点就是，激光功率从零升到最大值的过程，会使粒子或X射线束具有一定的能谱分布。
One shortcoming of these beams is that they typically have a range of energy, caused by the gradual rise of laser power from zero to its maximum level.
结果表明：激光功率的增加更有利于最大焊接速度的提高，只有合理的工艺参数组合才能取得良好的焊缝成形。
The results show that increasing laser power is more beneficial to the increase of maximum welding speed and the effect of the welding parameters on the weld shaping is evident.
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