RF superconducting cavities can work at CW mode or long pulse mode with high accelerating gradient. RF superconducting technology is widely used in particle accelerators.
射频超导谐振腔已经大规模地应用到粒子加速器领域，其优越之处在于它可以在CW模式或长宏脉冲模式下，提供高的加速梯度。
To gain good joint strength, the pulse peak power and defocusing distance should be chosen appropriately to implement welding in keyhole mode, and moreover, pulse duration should not be too long.
为获得较高的连接强度，宜使峰值功率与离焦量适当配合，实现深熔焊模式进行焊接，而脉冲宽度不宜太大。
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