By way of used static evaluation method, we researched summary the deposit's rationalize and surplus of economy, possibility, risk of implementation, so as to provide basis for investment decision of the deposit exploitation.

General situation of pork quality and affecting factors;

To review the general research survey of Polyonum multiflorum Thunb.

The conceptual study is the core problem of the study on the ancient books digitalization, and probing into the establishment of the concept of ancient books digitalization can make the concept of ancient books digitalization clearer.