Some experimental study on the vibrating phenomenon has been done primarily. We conclude that the output of laser is stable and the reason of vibrating phenomenon isn't the unstable incident laser.

初步对“振荡现象”进行了实验研究，认为光电探测器的输出存在振荡现象并不是由于激光器出光功率不稳定引起的。

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There is the problem of leaking material in the large vibrating fluidized bed in drying of refined salt. It affects the output and quality of the salt products directly.

大型振动流化床在精制盐干燥过程中存在着漏料问题，直接影响产品质量和生产量。

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