The traditional view of existence (exsistere) is composed two forms: One is the transcendental view of existence, which is from the theological tradition and its key is humans finite self consciousness on the existence substituted by the infinite consciousness of precognition; the other is the natural view of existence ,which is agreed.

The common essence of all the philosophies relies on the actual being, seeking ecaselessly the transcendental being, which is greatest generality, the most general essence and law of things.

Based on the meso-experiment of water flow in sandstone, the stochastic theory is introduced to investigate the evolution process of seepage boundary in this paper.

Experiment observation of torsion wave splitting in anisotropic medium;

On the basis of review on boiling heat transfer history,this paper philosophically analyzes the role of experimental observation and theoretical thinking throughout the development of boiling heat transfer.