DeepFocus is a powerful concentration aide to improve focus, productivity and mask distractions with soothing aural landscapes and matched variable programatic noise generation.

深源是一个强大的浓度助手改善与舒缓听觉的风景和产生噪音匹配可变程序化的重点，生产力和面具分心。

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Furthermore, the paper summarizes and extends the problem of the generation of ROI mask.

同时，本文还就图像感兴趣区域掩膜生成的问题进行了一些总结和推广工作。

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Objective: To study the safety and effectiveness of the first-generation laryngeal mask airway (LMA) during general anesthesia of patients undergoing gastrointestinal cancer surgery.

目的：探讨胃肠肿瘤手术患者，应用第一代喉罩通气的安全性与可行性。

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The technique of mask-making is passed from generation to generation, including cutting of the wood, drying, carving and decorating.

UNESCO: Culture