1. Unique screen holder design, acquirable long hours and easy to repair.

2. Thirdly, by using acquirable data, the dissertation chose some typical occupational pension funds as our in international comparison's raw material and done some researches and analyses.

3. According to the index system and using the acquirable data, we predict the water resources carrying capacity of the Minqin Basin in 2001,2010 and 2020.

4. We hold that, the losses which may be indemnified shall include direct losses and indirect losses (losses in acquirable interests).

5. However, SOC can not be measured directly but estimated from other acquirable information.

6. In this paper we show how to mark these accessible, acquirable attainable levels of the sharing system through case study of Shanghai science and technology literature resource sharing system.