1.SAS (Statistical Analysis System) is a statistical analysis software developed by North Carolina State University 1966. 1976 SAS INSTITUTE INC) was established to start the maintenance, development, sales and training of SAS system. During this period, it has gone through several versions. After years of improvement and development, SAS system is known as the international standard software for statistical analysis and has been widely used in various fields.

2.SAS (Special Aviation Force) is the most elite special force in Britain.

3. Two sides and their included angles correspond to the combination of two triangles, which is called "corner edge" or "SAS" for short.

4.(SAS) is an airline serving many Nordic countries, including Norway, Denmark and Sweden, and its headquarters is in Stockholm, Sweden. SAS is also a founding member of Star Alliance. Its hubs include Stockholm aranda Airport (ARN) and Copenhagen kastrup Airport (CPH); Oslo Gardermoen Airport (OSL) provides services through hubs in Sweden and Denmark.

5.SAS interface

6.SAS sleep apnea syndrome

It refers to a clinical syndrome that causes repeated apnea and/or insufficient ventilation during sleep for various reasons, leading to hypoxemia and hypercapnia, thus causing a series of pathophysiological changes in the body.

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