莎玛博士的软件将来可能就可以分析人的表情，比如顾客是满脸微笑还是愁眉苦脸。这些表情是很难装出来的。
Dr Sharma's software has the potential to analyse expressions, like smiles and grimaces, which are hard to fake.
对《蒙娜丽莎的微笑》的分析结果是什么？
采用t检验及回归分析比较两组患者各参数的差异，并分析与微笑露龈畸形相关的因素。
The t-test and stepwise regression analysis were performed in both groups to determine the correlated factors of gummy smile deformity.
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