选择性激光烧结(SLS)技术使用激光束进行截面区域烧结，扫描系统需要作大量的扫描，所以扫描路径的选择就显得尤为重要。
Laser is used to sinter the Selective laser sintering (SLS) parts. The scanning system needs to do plenty of scan, so scan method is very important to SLS process.
但原始激光束光强的不均匀分布影响了陶瓷改性的一致性，不利于激光烧结工艺的准确控制，严重者还会损坏陶瓷。
However, the intensity of original laser beam spot can not be distributed uniformly, which is bad for controlling the laser sintering condition. And the ceramics may be destroyed.
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