这幅不同的三重对称图，环绕房间的圆周有三个阳台空间。参差不齐的角在这里让位于更光滑的曲线，以及一种更优美、端庄的外观。

This variant sported tripartite symmetry, with three balconies spaced around the room's perimeter. Jagged angles have given way here to smoother curves and a more graceful, elegant look.

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针对电子邮件在传输过程中存在的安全问题，提出了一种基于三重des和椭圆曲线密码体制的解决方案。

This paper analyzes the security of electronic mail, designs an application scheme based on triple des and elliptic curve cryptography.

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