In order to express the monitoring results visually and comprehensively,an on-line efficiency monitoring system based on surface of efficiency characteristic is introduced.

This paper discusses the function, constituhon, working principle, hardware and software design, in-situ test, and technical and econondc result on YLX-02 type flow measurement and efficiency monitoring device of water power sets.

The Research on Investor Protection and the Regulatory Efficiency of Securities Based on the Law and Finance Theory;

From the aspects of Western micro-economics and social welfare economics, the connotation of insurance development refers to the improvement of market entities quality, enhancement of market efficiency, improvement of the quality of transactions and improvement of regulatory efficiency.

The paper firstly sets up various variables for regulation efficiency and mainly studies the regulation efficiency of independent director and institutional investor that are two new participants in the corporate governance of Chinese capital market.

But the insurance regulation polices in China are emulating methods and experience of developed countries to a large degree, lack of close association with local economics, culture and mentality, which lead high indirect cost, especially unobvious opportunity cost, and low regulation efficiency.

Board supervision in advance and in-process is more advantageous to risk avoidance and agency cost reduction compared with supervision afterward, and the independence of board is the key factor determining board supervision efficiency.

Through analysis of the achievements obtained by one quality supervision station before and after carrying out this activity the effect of quality supervision intentions is verified,which show it is one effective measure to increase supervision efficiency.