Modern society increasingly depends on large-scale unbounded networked systems to conduct business, government, and defense. Survivability of these systems is receiving increasing attention.

The effect of the receiving aperture and outer scale of turbulence on the power spectrum of atmospheric scintillation was analyzed.

Bai Hu Tong is an important work in Chinese philosophy history, but not receiving deserved attention for a long time. And further researches need to be conducted into a deeper scale.