On the basis of analyzin diverse definitions of environmental awareness it candistinguished by two classifying methods which include part classifying and level classifying.

This paper deals with the theory and application of the partial coherence of light.

The generation of partially coherent laser beam directly from a spatial-temporal phase modulated opticaal resonator is achieved experimentally.

In this paper,we study the generation partially coherent vortex beams by passing of Gaussian Schell-model beam through a spiral phase plate(SPP) with arbitrary integer singularity of order n.

Based on the unified theory of coherence and polarization of random electromagnetic beams and the propagation law of partially coherent light,the change in the degree of polarization of beams which is generated from a partially coherent source after passing through a series of circular apertures was investigated.

Four contradictions in cadre diversion should be well handled: cadres diversion and new talents emerging, the reform of cadre system and the cohesion of cadre policy, decreasing the number of cadres and stabilizing cadre team, giving wide publicity and carrying out purposeful instructions.